Justice League: Crisis on Two Earths

A World of Heroes.

A World of Villains.

Two Earths meet and a battle between good and evil becomes a battle for the existence of everything. As we see the dark reflection of the heroes and the lighter reflection of the villains, we see potentials of the stories involving this world. Whether before, during or after the events of the battle.

Slight changes of the story can result in interesting events. Such as...