Justice League: Doom

Vandal Savage plans to start a new civilization by exterminating two thirds of the population and hires Mirror Master to hack into the Batcomputer and steal contingency plans devised by Batman to incapacitate his League teammates should they go rogue. As each of them do their part to take out the Justice League, the villains form the Legion of Doom. The team fights to stop the villainous plot, with help from the Justice League's own heroes - including Cyborg, who joins the team after being recruited by Batman.