Imagine a world where Superheroes have been pushed too far and have taken control of how the human race should be run. Welcome to the world of Injustice, where DC's best loved Superheroes and Super villains go head to head and fight for the future of the DC Universe. After the Joker destroys Metropolis and tricks the Man of Steel into killing Lois Lane and their unborn child. Superman establishes a new world order. A battle ensues between the forces of Superman's regime and those allied with Batman's insurgency. Heroes become villains and villains become heroes. In this battle to save the world from the tyranny of Superman's new world order.