The opening cinematic takes place in a gritty, war-torn future depicting a final battle between the world's greatest heroes and villains. A future version of Lex Luthor provides voice-over narration. This battle takes place in the ruins of Metropolis. Lex Luthor, wearing a heavy mech armor, commands an army of super-villains that includes Joker, Harley Quinn, Circe, Deathstroke, Black Adam, Giganta, Metallo and Poison Ivy.