The storyline is set in a parallel universe within the DC Comics' Multiverse, where Superman has become a tyrant and established a new world order after the Joker tricked him into killing Lois Lane and destroying Metropolis. In an effort to stop this, Batman summons counterparts of the League's members from the main universe to join his insurgency and end the totalitarian regime. With the first season being based on the first game and the second season based on the second game, with appearances of some stories from the comics
