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Come on! We'll kill things, blow things up. Oh, it'll be fun!
 

 

— The Joker in Mortal Kombat vs. DC Universe

The Joker is a Human supervillain known for his appearance in DC Universe in both comics and media. He is most famously known as the arch-nemesis of Batman, is also arguably DC's most well-known antagonist and is widely regarded as one of the greatest fictional characters ever created.

The Joker was one of the many DC characters chosen to appear in the crossover video game Mortal Kombat vs. DC Universe. With the Joker's reputation for unmatched sadism and maniacal homicidal tendencies, his counterpart in the crossover game is the mercenary Kano.

The Joker returned to the Mortal Kombat franchise in Mortal Kombat 11 as a playable guest character, being the fifth character available in the Kombat Pack.

About The Joker

Because of his chronic and deeply seated insanity, there is no definitive story of how the man who would become the Joker came to be. There are, however, a few prevailing versions of what could be his origin story.

The most well-known of these is about a chemist with a pregnant wife, down on his luck and trying to make money as a stand-up comedian. Not able to make ends meet, he is recruited by a group of career criminals to assist in a heist at his former chemical plant using the traded off guise of the Red Hood. Right before the job was to be carried out, the man learns that his wife and unborn child were killed in a fire at their apartment. Feeling hopeless, the man agrees to the job and breaks into the chemical plant with the criminals as the Red Hood. Coming under fire, both of the criminals are killed by gunfire from police officers, leaving the man in the Hood alone.

It's then that Gotham's recently-established nocturnal avenger, the vigilante known only as the Batman, descends upon him on one of the chemical plant's catwalks. Cowering from him, the man loses his footing and falls into a large vat of chemicals before Batman can save him. Washing ashore, the man feels burning in his face and eyes. Discarding the hood, the man looks at his reflection in a puddle of rain and sees his skin bleached white, his hair turned emerald green, and his mouth unnaturally stretched into a rictus grin. The man begins crying, then giggling, and suddenly bursts into laughter, driven irredeemably insane by one bad day and a horrible disfigurement. From then on, the Joker's brilliantly sadistic and reprehensible actions would plague Gotham City at-large for years to come, with his murderous, unpredictable formability causing him to become Batman's chief adversary in the vigilante's war on crime.

Biography

  • MK vs DCU: "An insanely homicidal super-villain, the Joker's white skin, green hair, and blood-red lips belie the chaotic nature underlying his cartoonish appearance. The self-styled "Clown Prince of Crime" has no superpowers, beyond a capacity for incredible violence and a skill at creating deadly mayhem. He frequently concocts elaborate schemes to entrap his arch-nemesis, Batman."
  • Mortal Kombat 11: "Unpredictable, violent and incredibly dangerous, The Joker is chaos personified. He’s killed a Robin, crippled Batgirl and tortured and murdered countless people throughout the DC universe. And now, he’s the latest Kombatant to join in Mortal Kombat."

Storyline

Mortal Kombat vs DC Universe

The Joker first appears in Gotham City, ambushing Batman by throwing an exploding clown doll on the hood of the Batmobile. Batman easily survives the explosive, frustrating the Joker, who decides to fight Batman himself. He is easily defeated and quickly surrenders, getting cuffed by Batman.

However, when Liu Kang mysteriously appears, the Joker escapes as Batman investigates. Sometime later, the Clown Prince of Crime encounters Scorpion, who is searching for Kitana. When Scorpion walks away after becoming annoyed by the Joker's antics, the Joker strikes him with an extending boxing glove, prompting a fight with the enraged spectre. Scorpion easily defeats the Joker in combat but spares his life out of disgust.

Moments after his defeat, Lex Luthor appears and recruits the Joker onto his team of villains alongside Catwoman and Deathstroke. The Joker is present with them when they go to Metropolis and meet up with Captain Marvel and learn of Dark Kahn and his connection to Apokolips. Luthor dispatches the Joker and Deathstroke together to find the portal in the Mortal Kombat universe that would allow them to go to Apokolips.

During their mission, the Joker and Deathstroke encounter Sonya Blade and Kano in the Graveyard in the Mortal Kombat Universe, and Joker damages Sonya Blade's communicator with a spray of acid from a fake flower, the damage done to the device teleporting all of them to Oa. While Deathstroke battles Kano, the terrified Joker faces Sonya. Much to his own surprise as well as Deathstroke's, the Joker defeats Sonya, and becomes fueled by the Kombat Rage infecting their worlds.

Arrogant over his victory, the Joker shoves Deathstroke aside and challenges Kano himself, defeating him. Deathstroke is able to return himself and the Joker to the graveyard, but quickly realizes something is wrong with the Joker. The Joker then declares his intentions to allow the universes to be destroyed and his ultimate goal of killing Batman. Joker betrays Deathstroke and battles him, defeating him too. Believing himself unstoppable, he decides to finally confront Batman.

He lures his old arch-enemy into a trap by calling him out to Gotham and confronts him in the streets, defeating him as well. As he is celebrating, he is tazed by the Dark Knight and is easily dispatched. The Joker is next seen among the gathered heroes and villains at the Special Forces base as they prepare to take on Dark Kahn.

In the final battle between the DC universe heroes and the Mortal Kombat Kombatants, the Joker fights against Kano but is ultimately knocked out. Joker later witnesses the DC Universe's restoration.

Combat characteristics

Powers and abilities

Although the Joker is a human man with no particular enhancements, natural or otherwise, his lack of sanity and rationality have often been a fatal weapon for his victims: he is unencumbered by rational thought and is therefore extraordinarily creative, vindictive and sadistic. This has translated to his many schemes over the years, as well as in his hand-to-hand combat style. Although the Joker prefers to have henchmen do the "dirty work" for him, having a resourceful nemesis like Batman has forced him to be able to fight hand-to-hand in situations that force him to. Sometimes using weapons that play off his clownish appearance, he also makes use of stabbing weapons and firearms, and always attempts to use his methods of killing in ways that he finds ironic and humorous.

As a result of Dark Kahn's Rage, the Joker has become both stronger and faster than he would normally be otherwise, allowing him to hold his own against and defeat such skilled fighters as Sonya, Kano, Deathstroke, and Batman.

Special Moves

  • Joker's Wild: The Joker throws a playing card lined with steel at the opponent. (MKvsDCU)
  • Sinister Heels: The Joker grabs the opponent and kicks them repeatedly with the back of his foot. (MKvsDCU)
  • Put It There Pal!: The Joker counters an opponent's attack by grabbing their hand and shocking them with his electric joy buzzer. He then laughs giddily and dances in a circle. (MKvsDCU)
  • Bombs Away: The Joker throws a bomb with a smiley face on it that bounces up and down before exploding. He can throw the bomb at close and long range. (MKvsDCU)
  • Magic Trick: The Joker is enveloped in a cloud of green smoke. Any button which is pressed in this brief state will produce a different attack. (MKvsDCU)
    • Surprise Stomp: The Joker does a flying jump kick. (MKvsDCU)
    • Surprise Slide: The Joker does a sliding kick across the ground. (MKvsDCU)
    • Surprise Bomb: The Joker appears from the mist with a bomb in his hand. (MKvsDCU)
    • Surprise Pistol Whip: The Joker smacks the opponent with a pistol. (MKvsDCU)
  • The Funnyman: The Joker laughs as he dances in a circle causing his rage meter to fill. (MKvsDCU)
  • Punching Bag: The Joker pulls out an extend-o boxing glove and fires it, stretching over half the field. It is possible to strike the opponent twice with this technique, as pulling out the glove will cause damage to the opponent if they are close enough before the Joker extends the glove for the actual strike. (MKvsDCU)
  • Batsy-Poo: The Joker takes out a Batman doll and fires a shot from its mouth. The attack can be delayed, as the Joker holds a conversation with the doll. (MK11)
    • Amplifying the move makes the doll fire a bottle rocket that moves in a sine pattern.
    • Batsy-Poo Cancel: The Joker gains the ability to cancel the move and toss the doll away. (MK11 - Equip Ability)
  • Birdboy Beatdown: The Joker charges forward and smashes the opponent on the head with his cane, bringing them down to their knees. After that he swings the cane horizontally and knocks them away. (MK11)
    • Amplifying the move has the Joker beat the opponent on the head three times and knock them down to the ground.
    • If the Joker connects three amplified Birdboy Beatdowns during the match, the attack turns into a Krushing Blow, with the Joker smashing the opponent in the temple with the cane, dealing over double the original damage.
  • C C D D E G E C: The Joker struts towards the opponent while winding up a jack-in-the-box. As he finishes, the toy pops out and starts bouncing towards the opponent. (MK11)
    • Amplifying the move makes the toy bounce across the whole stage and explode upon contact, sending the opponent into the air.
  • Batsy Pew Pew: The Joker sets the Batman doll on the ground and makes it fire a shot at the opponent's feet. (MK11 - Equip Ability)
    • Amplifying the move has the doll fire four times.
  • Puppet Parry: The Joker pulls out the Batman doll while mocking the opponent in Batman's voice. If he is hit with a High or Mid attack, he smacks the opponent twice in the head with the doll and knocks them away with a gunshot. This ability conflicts with Getting Lit when equipped, disabling the option to select Getting Lit. (MK11 - Equip Ability)
    • Amplifying the move has the Joker pop the opponent up for a juggle.
  • KAPOW: The Joker pulls out two extend-o boxing gloves and hits the opponent four times, knocking them away. This ability requires two ability slots and replaces Birdboy Beatdown when equipped. (MK11 - Equip Ability)
    • The amplified version is called BAM POW ZAP and replaces the final punch with a double axe handle strike with the gloves, bouncing the opponent off the ground for a juggle.
    • If the Joker connects the attack as a Kounter or a Punish from the maximum distance, the attack turns into a Krushing Blow, with the brass knuckles on the glove crushing the front part of the opponent's skull inwards, dealing over double the original damage.
  • Getting Lit: The Joker pulls out a canister of gasoline and starts walking backwards while spilling it on the ground up to the full-screen distance. After that he throws a lit match at the puddle and sets it on fire, dealing damage over time to the opponent standing in the flames. This ability conflicts with Puppet Parry when equipped, disabling the option to select Puppet Parry. (MK11 - Equip Ability)
    • Amplifying the move has the Joker throw the canister into the flames to create a fiery explosion that pops the opponent up for a juggle.
  • Jumping Jester: The Joker sets a jack-in-the-box on the ground, and the toy pops out on it, hitting the opponent on the way up. The attack can be used at three different ranges, normal, close or far range, called Close Jumping Jester and Far Jumping Jester, respectively. (MK11 - Equip Ability)
    • Amplifying the move has the toy hit the opponent on the way down.
  • Jack In The Box: The Joker sets a jack-in-the-box on the ground and kicks it towards the opponent, then the toy pops out and hits them. The attack can be used at three different ranges, normal, close or far range, called Close Jack In The Box and Far Jack In The Box, respectively. This ability requires two ability slots and conflicts with Hostage Hop when equipped, disabling the option to select Hostage Hop. (MK11 - Equip Ability)
    • Amplifying the move has the toy explode mid-air, extending the opponent's air time for an easier juggle.
  • Hostage Hop: The Joker pulls out a detonator, and a tied-up person wearing a paper bag on the head and a Joker suit starts hopping towards the opponent while the Joker attempts to press the button. Once he detonates them, first the hostage's head explodes, and then the rest of their body, knocking the opponent upwards. This ability requires two ability slots and conflicts with Jack In The Box when equipped, disabling the option to select Jack In The Box. (MK11 - Equip Ability)
    • Amplifying the move has the hostage's entire body explode instantly, popping the opponent up for a juggle.
  • Corpse Trot: A dead body wearing a paper bag on the head and a Joker suit appears behind the Joker in a wheelchair, and he grabs the corpse and swings it at the opponent before tossing it away and letting it explode. This ability requires two ability slots and replaces C C D D E G E C when equipped. (MK11 - Equip Ability)
    • Amplifying the move has the Joker slide the corpse between his legs to trip the opponent up.

Fatal Blow

  • Fatal Blow - SMILE: The Joker will start winding up a jack-in-the-box. If the opponent gets caught, he brings out his knife and stabs the opponent's back. He then brings out another knife and use both to slash both the opponent's cheeks. He then hits his opponent from behind repeatedly with his cane, as blood splatters all over the screen. (MK11)

Other Moves

  • Free-fall Super Move: The Joker pulls out his extendo boxing glove and fires it, punching his opponent. (MKvsDCU)
  • Throw (Forward): The Joker grabs his opponent and equips his extend-o boxing gloves and punches the opponent with one of them to knock them down, then delivers two blows to the groin with the other one and punches them in the groin with both gloves, pushing them away. (MK11)
    • If Joker does not connect with his Fatal Blow and the throw connects during the cooldown period, the attack turns into a Krushing Blow, where the boxing gloves crush the male opponent's testicles or damage the female opponent's pelvis, dealing over double the original damage.
  • Throw (Backwards): The Joker hooks the opponent with his cane, switches sides with them and pulls out a Batman puppet with a gun barrel protruding out of its mouth, then shoots them several times. (MK11)
  • Show's Over: The Joker pokes forward with his cane, follows up with an overhead smash and finishes with an uppercutting swing. (MK11)
    • If this combo is performed on the opponent as a Kounter or Punish, the combo turns into a Krushing Blow, where the Joker's cane crushes the front part of the opponent's skull inwards, dealing increased damage and sending the opponent in the air for a juggle.
  • Grand Entrance: The Joker hops forward with his leg outstretched and brings the cane down on the opponent's head. (MK11)
    • If only the last hit of the combo connects, the attack is turned into a Krushing Blow, where the Joker's cane crushes the top of the opponent's skull, dealing increased damage. The Joker is offered a moment of a special attack if this is successful.
  • BOING: The Joker uses his boxing gloves to propel himself into the air. This move has three version that determine the distance of the jump. (MK11 - Equip Ability)

Fatalities

  • The Killing Joke: The Joker takes out a gun and shoots it, but instead of a bullet, some confetti and a flag with the word "Bang" on it pop out of the barrel. He drops it and starts to laugh, before pulling out a real gun and shooting the opponent in the head, killing them. (MKvsDCU)
  • Card Trick: The Joker takes out four cards and throws three at the opponent's body. Then he throws the last one to the opponent's head, which knocks them to the floor, dead. (MKvsDCU)
  • Party Pooper: The Joker pulls out a cake and hands it to his opponent. A sign with the word “FRIENDSHIP” in balloon letters and confetti appear out of nowhere and the opponent looks at the cake, revealing a fuse instead of a candle. The cake explodes and blows off their forearms while launching them into the air, causing the Joker to pull out a brightly colored Tommy gun and shoots at the opponent, knocking off the lower half of their leg in the process while the balloons are popped (revealing the words “FATALITY” in red paint) and a string is cut in the process. When they land, the last string rips and the sign is dropped onto the opponent’s body, cleaving them in half. (MK11)
  • Pop Goes The Mortal: The Joker, whilst singing a song to the tune of "Pop Goes The Weasel", takes out his extending boxing glove ("Bats would say that I'm a bad boy") and punches a hole through his opponent's torso. He then saunters over holding a jack-in-the-box ("To kill without a reason"), places it in the open wound and turns the crank ("But bodies stacked high never gets old"). After a short pause, the jack-in-the-box activates ("Death's always in season!"), tearing the opponent's head away from their body. (MK11)

Brutalities

  • The Klassic: Joker performs an uppercut, decapitating the opponent with a rising swing of his cane with their spine still attached. This Brutality is shared with every character. (MK11)
    • Must not block an attack for the entirety of the final round.
    • A button must be held.
    • Will not trigger on Krushing Blow, if it has not been activated during the match.
  • Playful Puppet: Joker performs a Puppet Parry and starts to continuously beat the opponent's head with a puppet until their head explodes. (MK11)
    • A button must be held.
  • Batter Up: Joker performs an amplified Birdboy Beatdown, only this time, he spits on his hands and readies himself for a final swing, with the opponent saying one final word or phrase before the Joker knocks their head off towards the screen with a homerun swing. (MK11)
  • Together Forever: Joker performs a Getting Lit, leaving the opponent on fire while he "pours" confetti on himself from the same canister. When only a charred body remains of the opponent, Joker runs up and hugs the corpse. (MK11)
    • A button must be held.
  • Magic Bullet: Joker performs a Batsy-Poo, shooting a hole in the opponent's head. (MK11)
    • Must not be close to the opponent.
    • A button must be held.
  • Send in The Clowns: Joker performs a Hostage Hop, as he triggers a button, the opponent is blown to bits along with the hostage. (MK11)
    • A button must be held.
  • Blam Blam Blam Blam: Joker performs his Throw (Backwards), continuously shooting at the opponent's face with his Batman Plushie until it's completely destroyed. (MK11)
    • Certain buttons must be pressed repeatedly.
  • Head Case: Joker performs an amplified C C D D E G E C, replacing the opponent's head with the Jack-in-the-Box's head. (MK11)
    • A number of C C D D E G E C must be performed.
  • Rocket Power: Joker performs an amplified Batsy-Poo and fires a bottle rocket at the opponent's mouth, causing their head to explode. (MK11)
    • Must not be close to the opponent.
    • A button must be held.
  • Secret Forward Throw Brutality: The Joker performs his Throw (Forward), placing the opponent in a wheelchair. After that, the Joker turns the wheelchair around and cuts the opponent's throat with a knife. (MK11)
    • Requirement unknown at this time. This Brutality is Locked and only the AI is able to perform it.

Endings

  • MKvsDCU: "As the worlds separated, the Joker discovered he had retained his new powers. With them he soon controlled all of Gotham, proclaiming himself "Mayor Joker". Under his rule, the city devolved into chaos. He now holds a tournament in which "contestants" are forced to fight to the death for his amusement. The winner will face off against the Joker himself."
  • Mortal Kombat 11: "This was my dream vacation. I saw mayhem, mutilation. It was all a gas... for a while. But these nincompoops? They didn't really GET me. Not even that pretty boy, Ninja Mime." [Gunshot] "Good night, sweet prince! I'd 'finished' just about everyone worth finishing in Earthrealm and Outworld. Even lovable old Netherrealm. I was a lonely heart in search of new friends. But as luck would have it, I had just the gizmo to find them. And oh, how the Hourglass spoiled me! Havik and I are going to be bosom buddies. And what's that? My new pal knows an entire realm dedicated to law and order? And he exists only to disrupt it? Well I say, he and I need to get busy! Meet the League of Misunderstood Maniacs! We're giving Orderrealm an enema. And when we're done, who knows where we'll crash next. Maybe we'll come to your house and slip live grenades under your pillow. Maybe we'll gut your favorite pet. Or maybe we'll just... break your TV right now!" [Shoots and breaks the screen as distorted maniacal laughter is heard in the background]"

Quotes

Mortal Kombat vs. DC Universe

  • "No, no, no! You were supposed to DIE when the clown exploded!"
  • "Okay okay, I-I give up!"
  • "Yeah, that's gonna happen..."
  • "Great gag!"
  • "Princess? Didn't I kill the last guy who called me that?"
  • "He should've know. I'M the only Joker around here!"
  • "Oops... Where did that come from?"
  • "Can we kill him now?"
  • "KAAAAAAHN!"
  • "Fight! Fight! Fight! Fight!"
  • "Come on! We'll kill things, blow things up! Oh, it'll be fun!"
  • "And here, I was so looking forward to murdering someone!"
  • "You don't like me much, do you?"
  • "Pretty flower for a pretty lady?"
  • "Hmm... I was going for the eyes."
  • "Thanks for bringing up to your headquarters. We're interested in some technology."
  • "What can I say? The ladies dig me."
  • "Uh oh, you don't hit like a girl."
  • "Can't we talk about this?!"
  • "I beat her? I won?! I won! I mean, of course I won."
  • "Allow me to discipline him."
  • "Step aside, Deathjoke."
  • "I hope you put a fight than blonde did..."
  • "...because this Joker is wild!"
  • "Don't know, don't care."
  • "The hell with Baldy!"
  • "There's two things he forgot to tell you about me: I don't care what happens to the world."
  • "...And I don't play well with others."
  • "Some world class assassin you turned out to be."
  • "I'm undefeated, unstoppable! I bet I could even beat Batman."
  • "Well well... If it ain't Batman."
  • "Sorry about before, you know the "running away". That was rude of me. You'll be happy to know I won't be running anymore."
  • "Nothing up this sleeve. Let's check the other one. Nope, nothing up my sleeve!"
  • "Make the time, Bats."
  • "Now you're all mine!"
  • "I did it! I beat Batman!"
  • "Ouch! Someone, please kill him for me!"
  • "Yay, we're all going to hell!"
  • "I like it!"

Mortal Kombat 11

  • Bats would say that I’m a bad boy / To kill without a reason / But bodies stacked high never gets old / Death is always in season!” (During his Pop Goes the Mortal Fatality)
  • The fight is done and now’s the time / To bring it to a crescendo / Crank the knob and what will I get? / Your head as a memento!” (Alternate song)

Trivia

General

  • The Joker's inclusion as a guest character in Mortal Kombat 11 makes him the only character from another franchise to appear in more than one Mortal Kombat game as a playable character, if Freddy Krueger's inclusion in the mobile version of Mortal Kombat is not counted.
  • The Joker’s appearances in Mortal Kombat vs. DC Universe and Mortal Kombat 11 makes the Joker the only character to have been both a main roster character and a guest character.
  • The Joker is the first comic book guest character featured in the series, the second being Spawn.
    • He is also the first comic book villain to be a playable guest character.
    • With the exception of MKvsDCU, he will also be the first DC character to appear as a guest character.
    • However, between he and Spawn, the Joker was originally the second one of the two announced.
  • In a technical sense, the Joker is the fourth serial killer to be a playable guest character, after Freddy Krueger, Jason Voorhees and Leatherface.
    • Despite this, he is the only one of the four to not come from a horror or slasher film franchise.
  • The Joker is the sixth guest character to be alive (as opposed to undead), after Kratos, the Predator, Leatherface, the Alien, and the Terminator.
  • The Joker's real name and his origins have differed over the years, leaving many to wonder who he really is and what drove him towards insanity.
    • The Joker's depiction in cinema has varied over the many different portrayals, ranging from a comically insane villain, to a mob-boss inspired psychopath, to a mentally and physically scarred terrorist, to a failed comedian turned criminal.
      • Of all the portrayals, only three live action depictions have been given names, these being Jack Nicholson's portrayal from the Tim Burton Batman film being known as Jack Napier, Cameron Monaghan's portrayal being known as Jerome and Jeremiah Valeska in the TV series Gotham and Joaquin Phoenix's portrayal being known as Arthur Fleck in Todd Phillips' film Joker.

Mortal Kombat vs. DC Universe

  • The Joker is one of the only two fighters in the MK vs. DC Universe game that laugh when under the influence of rage. The other is Catwoman.
    • Joker is also the only fighter to hit the opponent after they are defeated without a finisher. He does this by stomping on their groin.
  • His Fatality, The Killing Joke, is named after the one-shot comic showcasing a psychological battle between him and his archnemesis, Batman, whilst detailing pieces of his life before turning into the Joker.
    • It should be noted the chair in his ending resembled his chair in said comic.
  • The Joker is one of the two characters to have a special move that fills the Rage Meter and the only playable character to perform the move. The other is Dark Kahn, however his is the unplayable boss.
  • In NTSC regions, The Joker's first Fatality, The Killing Joke, was mildly censored to keep with the Teen rating. However, in PAL regions, the Fatality is shown in full, including the death of his opponent.
  • Joker's ending has him turning into the DC Universe's equivalent of Shang Tsung or Shao Kahn.
  • In the DC Storyline, The Joker references Star Trek II: The Wrath of Khan; after hearing the news of Dark Kahn, he looks up at the sky, and yells "Kahn!", similar to Captain Kirk.
    • This is later referenced by Johnny Cage in Mortal Kombat 11 if the player chooses Shao Kahn with Cage as an announcer.
  • His ending is a nod to the "Emperor Joker" storyline where he stole Mister Mxyzptlk's power to create the world in his own image.
    • This is referenced during an interaction with Kitana in Mortal Kombat 11.

Mortal Kombat (2011)

  • Although the Joker does not appear in the game, Shang Tsung uses an edited and more gruesome version of the Joker's The Killing Joke Fatality, however the laugh that Shang Tsung makes as a clown is the same as the Joker's.

Injustice

  • The Joker is a playable character in both Injustice: Gods Among Us and its sequel Injustice 2 being voiced by Richard Epcar, who has voiced Raiden in MKvsDCU, MK 2011, Mortal Kombat X, and more recently Mortal Kombat 11.
    • Richard Epcar reprised his role as Raiden for his guest appearance in Injustice 2.
  • The Joker is the only villain featured on the first game's cover art.
  • The Joker's alternate costume is named "Insurgency" despite the Joker never being a member of Batman's Insurgents.
  • The Joker is one of the three villain characters playable in the Injustice: Gods Among Us Story Mode, with the other two being Deathstroke and Lex Luthor.
  • The Joker is the only deceased character in the Injustice universe who returned as a playable character in Injustice 2 from his original Universe.
    • Green Arrow technically falls into this category, however, the one in the game's Story Mode is a different Green Arrow and not from the Injustice Universe.
  • The Injustice series is one of the few game series where the Joker is not voiced by Mark Hamill. However, he still speaks with the Transatlantic accent that Hamill made popular.
  • In Injustice 2, when clashing with Black Adam, the Joker will ask "Meet that other lightning guy?" to which Black Adam will respond "With the bamboo hat? Yes.". This is a reference to Raiden's inclusion in the game as a playable guest character and his foreshadowing as a DLC character.
  • In Injustice 2, Raiden and Sub-Zero frequently assume the DC villains to be agents of Shinnok during interactions, the Joker included.
  • Despite being killed in the first game, the Joker and his actions are key components to the series' main story, as he is the catalyst to Superman's villainous turn in the Injustice Universe.
    • This dark turn caused by the Joker towards Superman could have been used as inspiration for Raiden's darker turn in Mortal Kombat 11 as both he and Superman exhibit the same characteristics.
  • In Injustice 2, the Joker, Robin and Superman are the only characters that can alter the start-up of their Super Moves.
  • In Injustice 2, the Joker and Red Hood are the only character that can combo off of their Super Move, however Red Hood can only do this if he is equipped with his Legendary Multiverse Item.

Mortal Kombat 11

  • The Joker is the fifth DLC character in the game's Kombat Pack, with Richard Epcar reprising the role from MKvsDCU and the Injustice series.
  • During Cassie Cage's Social Media Intro, if she is fighting against Raiden, John Vogel will text Cassie saying "Why is Raiden so Serious?" to which she will respond with "Deep down he's (Joker Card Emoji)". This is both a reference to Raiden's voice actor, Richard Epcar, who voices the Joker in the Injustice series along with the Joker's inclusion as a guest character in MK11 and a reference to the 2008 Batman film The Dark Knight, to which the Joker, played by Heath Ledger, would occasionally say "Why so Serious?".
    • This was referenced again in an interaction with Sonya, where the Joker simply asks her, "Why so serious, army girl?"
  • With the release of The Terminator, Cassie Cage is given an outfit resembling the Joker's sidekick and lover, Harley Quinn and Johnny Cage has an award costume shade that resembles Joker's attire as well.
  • One of the Joker's intros has him cutting his thumb with his own knife and then drawing a smile on his face with his own blood. This is a clear reference to the 2019 Joker film, where Arthur Fleck, now the Joker, stands among a crowd of rioters in Gotham, dancing and then smearing the blood on his own face into a smile.
  • The final moments of the Joker's Fatal Blow is a reference to the murder of Jason Todd, who is later resurrected as Red Hood, where the Joker relentlessly beats Todd to death with a crowbar in a warehouse.
    • This is similar to his Super Move Not So Funny Is It? in Injustice 2, which is a direct reference to the death of Jason Todd, the second Robin.
    • This is referenced again with the special move Birdboy Beatdown, both how the Joker performs the attack and the name itself.
  • Joker's ending depicts Mileena, Hsu Hao, Havik, Moloch (seen in the background) and himself as members of the League of Misunderstood Maniacs. Hotaru also cameos, being stabbed by Mileena.
  • When previewing Joker's cane in the Kosmetic Kustomization, an ad will appear at the bottom right of the screen.
  • Joker's special move, C C D D E G E C, is named after the musical notes that are played in the popular English nursery rhyme, "Pop! Goes the Weasel". The same notes are played while Joker winds up the Jack-in-the-Box during the move.
    • Joker also parodies the song during his Pop Goes The Mortal Fatality while performing the finisher: "Bats would say that I'm a bad boy / To kill without a reason / But bodies stacked high never gets old / Death is always in season!"
  • The Joker is the only character with a special attack whose amplified version actually has a name, this being his KAPOW special move, whose amplified name is BAM POW ZAP.
  • The Joker is the only character where the Fatality header does not appear during a Fatality, this being his Party Pooper Fatality. This is due to the wooden Fatality sign taking over for the gameplay version.
  • When interacting with Jade, she seems aware of the Joker's nuking of Metropolis, a reference to the Injustice series.
    • This is referenced again when interacting with Noob Saibot, where the Joker compares his kill count to Bi-Han's.
  • When interacting with Shang Tsung, the Joker will say that Shang Tsung "stole his face", a reference to MK 2011 where Shag Tsung parodied the Joker's The Killing Joke Fatality from MKvsDCU.

References

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Alien | Freddy Krueger | Jason Voorhees | The Joker | Kratos | Leatherface | Predator | Spawn | The Terminator
Batman | Captain Marvel | Catwoman | Dark Kahn | Darkseid | Deathstroke | The Flash | Green Lantern | The Joker | Lex Luthor | Superman | Wonder Woman

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