To prevent the evil Brainiac from destroying Earth, the Caped Crusader teams up with the DC Comics universe's super heroes and takes off for space. Brainiac expands his twisted collection of tiny cities from all over the universe by shrinking worlds with the help of the Lantern Rings. In order to gather the Lantern Rings and stop Brainiac before it's too late, the most formidable super heroes and craftiest villains must band together and travel to various Lantern Worlds.