Board Thread:Mortal Kombat Wiki/@comment-25371838-20151215085629/@comment-73.206.241.73-20160103031952

I would drop Casey Jones in favor of "The Shredder" in his place as a Guest Fighter

Raziel would fit perfectly into the Mortal Kombat universe (unless people are gonna complain on why's Kain not in MKX as a guest fighter)

Deadpool can fit into the MK universe (i.e. Deadpool has his own video game, which its rated "M")

other characters no so much considering they didn't do any "uber-violent" things towards their foes and the "Call of Duty Deathstroke the Terminator" from Injustice: Gods Among Us.