When Batman's greatest nemesis, the Joker, reshapes reality, Superman becomes the world's greatest dangerous criminal, Bizarro is the world's greatest hero, and chaos and death reign!

Now collected in stunning deluxe hardcover—an unforgettable, twisted story, originally presented in SUPERMAN #160-161, ADVENTURES OF SUPERMAN #582-583, SUPERMAN: MAN OF STEEL #104-105, ACTION COMICS #769-770 and SUPERMAN: EMPEROR JOKER #1. In this tale of a reality gone wrong, Superman must struggle against The Joker, Emperor of the universe!