The Joker is one the two overarching antagonists (alongside Brainiac) of the Injustice series, appearing as the main antagonist of the Injustice Gods Among Us: Year Zero and the overarching antagonist of Injustice Gods Among Us: Year 1 comic book series' and of Injustice: Gods Among Us and a posthumous antagonist of Injustice 2.

The Joker is the overarching antagonist of the Injustice franchise. He’s the archenemy of Superman, Harley Quinn, and the entire Bat-Family, especially being the arch-nemesis of Batman. Wanting to plunge the world into chaos and torment Batman, Joker sought to corrupt Superman by orchestrating...

Earlier in his criminal career, the Joker was the archenemy of the Batman. His origin was vague, and no one knew his real name. At some point, the Joker killed Batman's second Robin Jason Todd, beating the boy to death with a crowbar.

On an alternate Earth, Joker and Harley Quinn kill Jimmy Olsen, kidnap a recently pregnant Lois Lane, and steal a nuclear weapon, which they connect to a heart rate monitor linked to Lois's heart. Upon hearing of Lois's capture, Batman calls the Justice League to find her.

The Joker is the direct cause of the events of Injustice, and thus plays a major role in the first issues of the prequel comic, set five years before the events of the game. Prior to this, the Joker kills his fellow psychopath and Batman rogue Jonathan Crane (aka Scarecrow), stealing his...

The Joker is a playable character in Injustice: Gods Among Us and Injustice 2. He is classified as a Gadget User. The Joker uses his wide array of comedic, but deadly weapons. He is also Batman's nemesis.

The Joker is the overarching antagonist of the Injustice franchise, appearing as the overarching antagonist of Injustice: Gods Among and a posthumous antagonist of Injustice 2. He’s the archenemy of Superman, Harley Quinn, and the entire Bat-Family, especially Batman.