Injustice (ALL Character) could be..

Green Arrow (Rebirth) Cyborg (Regime) Bane Lex Luthor (Insurgency) Solomon Grundy (Earth 2) Sinestro (Regime) Raven (Teen Titans) Black Adam (Regime) Black Adam (New52) Harley Quinn (Suicide Squad) Doomsday Sinestro Green Lantern (Regime) Superman (Injustice 2) Sinestro (Antimatter) Catwoman (Regime) Superman (Dawn Of Justice) Batman (Flashpoint) Batman (Gaslight) Deathstroke Darkseid Catwoman Lex Luthor (Krypto) Doomsday (Containment) Harley Quinn (Animated) Batman (Arkham Origins) Hal Jordan (yellow Lantern) The Joker (The Killing Joke) The Batman Who Laughs (Metal) Harley Quinn (Insurgency) Catwoman (Batman Returns) Wonder Woman (Dawn Of Justice) The Joker Superman (New52) Bane (Luchador) Solomon Grundy (Regime) Daethstroke (Insurgency) Scorpion (Mortal Kompat) Green Lantern (New52) The Joker (Arkham Origins) Cyborg Green Lantern Scorpion (Mortal Kompat X) Deathstroke (Flashpoint) Scorpion (Klassic) Bane (Knightfall) Aquaman (Injustice2) Green Arrow Lord Joker (Batman Ninja) Wonder Woman (Regime) Raven (Regime) Darkseid (Apokolips) Wonder Woman Solomon Grundy Doomsday (Regime) Nightwing (Batman Ninja) Bargirl (Arkham Knight) Batman (Batman Ninja) Aquaman Wonder Woman (600) Nightwing (New52) The Merciless (Metal) The Flash Jessica Cruz (Rebirth) Superman (Regime) Bane (Regime) Green Arrow (Insurgency) Nightwing Zatanna Hal Jordan (Red Lantern) Hawkgirl (Blackest Night) General Zod (Man Of Steel) Killer Croc (Arkham) Black Adam The Flash (Regime) Batman (Blackest Night) Black Adam (Kahndaq) Lobo Superman Batgirl Nightwing (Regime) Deathstroke (Arkham Origins) Harley Quinn Lex Luthor Killer Frost Catwoman (Ame-Comi) The Joker (Insurgency) Static Harley Quinn (Arkham)