After a prison break at the Special Forces detention center, Jax, who was driving down a highway, received a transmission from his co-worker Gemini detailing the escape and the escapees: No Face, Tasia, Jarek, and Tremor. She informed him that they had escaped to a warehouse on the south side of the city, likely receiving help from an outside source. Jax assumed this source was Kano, the leader of the Black Dragon. He received another transmission from Lieutenant Sanchez, whose squad had arrived at the warehouse. After the broadcast was cut, Jax arrived at the scene and found the squad massacred. Therefore, he swore that he would take revenge on Kano. Using prototype bionic implants in his arms to increase his strength, Jax set out to find his enemy.
Kano proposed that the group of mercenaries reforms the Black Dragon clan, but Kano only wished to use them as pawns in order to eliminate any Special Forces agents who might be following him.
No Face was released from prison by Kano and set up a hideout located in an abandoned warehouse. Jax infiltrated the warehouse and killed No Face.
Tasia's hiding place was located in the sewers. Heading into the sewers, Jax fought and eliminated Tasia.
At this point, Jax contacted Gemini, who informed him that the Black Dragon was using a corporate building as a front for their base of operations. Gemini is Jax's base agent, relaying information and messages to him from Special Forces headquarters. The two share a very strong friendship and Gemini worries excessively about Jax, possibly indicating a romantic interest on her part.
Jarek was stationed as head of security in a downtown office that the Black Dragon clan used as a front for their activities. At the building, Jax confronted Jarek on the building's helipad. Jarek was defeated and Jax believed he killed him, but Jarek survived.
Jax's investigations led him to the lost city of Sinkiang, where he discovered a portal to Outworld that Tremor was guarding. Kano, whom Tremor blindly follows, assigned Tremor to protect a portal to Outworld and to kill any Special Forces agent who discovered the portal. Jax fought back and eliminated Tremor. Afterward, assuming the portal was linked to Kano's plans for global domination, Jax entered the portal.
The portal led to Outworld, where Jax caught up with Kano, who had acquired an artifact called the Eye of Chitian, in which he could gain great power. After an exchange of words, the two fought and Jax emerged victorious. He used the artifact's power to bring the two back to the Earthrealm and placed Kano in custody, only for the criminal to later escape. At this point, Jax stopped using his bionic implants.
