Green Lantern: Emerald Knights (2011)

Batman discovers a mysterious teen-aged girl with superhuman powers and a connection to Superman. When the girl comes to the attention of Darkseid, the evil overlord of Apokolips, events take a decidedly dangerous turn.

An adaptation of Mark Waid's "Tower of Babel" story from the JLA comic. Vandal Savage steals confidential files Batman has compiled on the members of the Justice League, and learns all their weaknesses.

When LexCorp accidentally unleashes a murderous creature, Superman meets his greatest challenge as a champion. Based on the "The Death of Superman" storyline that appeared in DC Comics' publications in the 1990s.

A heroic version of Lex Luthor from an alternate universe appears to recruit the Justice League to help save his Earth from the Crime Syndicate, an evil version of the League. What ensues is the ultimate battle of good versus evil in a war that threatens both planets and, through a devious plan launched by Batman's counterpart Owlman, puts the balance of all existence in peril.

Former Gotham City District Attorney Harvey Dent, one side of his face scarred by acid, goes on a crime spree based on the number '2'. All of his actions are decided by the flip of a defaced, two-headed silver dollar.

A botched store robbery places Wonder Woman in a global battle against a powerful and mysterious ancient force that puts her powers in jeopardy.

The human race is threatened by a powerful creature, and only the combined power of Superman, Batman, Wonder Woman, Green Lantern, Martian Manhunter and The Flash can stop it. But can they overcome their differences to thwart this enemy using the combined strength of their newly formed Justice League?

Phineas and Ferb team up with the Avengers to save the world from Dr. Doofenshmirtz and a group of dangerous supervillains.

Batman and Nightwing are forced to team with the Joker's sometimes-girlfriend Harley Quinn to stop a global threat brought about by Poison Ivy and Jason Woodrue, the Floronic Man.

In an alternate universe, very different versions of DC's Trinity fight against the government after they are framed for an embassy bombing.