The Injustice Gang(Comic version) vs the Sin Six.
Circe
Dr. Light III
J'emm
Joker
Lex Luthor
Mirror Master II
Ocean Master
It seems the 2 teams are fighting to see who will take over the underworld of crime,
Lex who fears the 6 will take over the crime world reforms the Injustice Gang, To see who relly are the best super villian group.