
Moments later, Superman arrives and, acting out of grief and rage at the loss of his wife and unborn child, murders the Joker in cold blood. Under Batman's interrogation, Joker reveals that he had grown tired of his losing battle against Batman and sought to try and corrupt Superman instead.

Batman tries to warn Superman, but it is too late Lois' heartbeat stops, and the nuke detonates, destroying Metropolis and killing millions of people. As the other heroes arrive and apprehend the Joker and Harley, Batman analyzes the gas revealing it to be fear toxin mixed with Kryptonite, and was used to make Superman hallucinate into thinking that he is fighting Doomsday in reality, he has killed Lois. Superman eventually finds the Joker and Harley hiding on a submarine, but when he confronts them, he is seemingly attacked by Doomsday and proceeds to punch the monster into space. The Flash finds the Scarecrow dead in his lab and his supply of fear toxin missing, before being killed by a trap laid by Joker. Upon hearing of Lois' capture, Batman calls in all Justice League members to find her. However it is short lived as Lois follows up on a lead with Jimmy and ends with the Joker and Harley Quinn killing Jimmy Olsen, and kidnapping Lois Lane, and they also steal a nuclear weapon, which they connect to a heart rate monitor surgically attached to Lois' heart.


On Earth-22 the day starts out ordinarily, the heroes are saving people and Clark Kent is having a happy life with Lois Lane. This unnhinged Superman decides to take control of Earth for its own good, leading Batman and his allies to attempt to stop him. The story takes place on an alternate Earth in which the Joker has tricked Superman into killing Lois Lane, sending the hero on a rampage.
