|DC Comics' Lobo as he will be seen in Injustice.|
|Starfire behind Arsenal and Red Hood on the cover of Red Hood and the Outlaws #1 from DC Comics' "The New 52" relaunch|
|Beast Boy as depicted in the Teen Titans animated series from Cartoon Network|
Martian Manhunter, Mister Terrific, Hugo Strange, Metallo, and Parasite in the background on several stages, so I hope all of those wonderful characters are not excluded. It would be hard to justify using a character while also seeing them in the background though.
|Gorilla Grodd in battle armor highlighted by the Injustice Wikia page in the background of a fight between Catwoman and Solomon Grundy|
Elasti-Woman, Negative Man, Robotman, or Ambush Bug. I would love to see Negative Man or Ambush Bug more than anyone else. I could additionally see Bumblebee in the game, but that is due to another Teen Titans animated connection.
|Cover to DC Comics' Doom Patrol 121 from the original series run|
|The Metal Men standing with Dr. Magnus, Platinum is the female character|
Mirror Master or Captain Boomerang to be added to give the Flash fits. They could also add Reverse Flash, but I suspect a costume for the real Flash accomplishes the same thing. I did read that Ed Boon, who directed Injustice, asked fans to vote for either Martian Manhunter or Reverse Flash for DLC, so we may see a lot of interesting twists and variations on items covered in this list in the future DLC releases for the game.
|Captain Cold from DC Comics|