Bursting with frames from an episode of "Justice League Unlimited," fascinating facts about favorite super heroes and villains, and lively storytelling!.
As alien invaders from Mars begin to take over the Earth, Superman and Batman rescue J'onn J'onzz who telepathically summons Wonder Woman, Hawkgirl, Flash, and Green Lantern to defeat the invasion.
When Lex Luthor escapes prison and forms a super-villain team called the Injustice Gang, it’s up to Batman and his friends to stop them before they take over Metropolis.
