In a parallel universe, the Joker tricks Superman into killing his pregnant wife Lois Lane and detonating a nuclear weapon that destroys Metropolis, killing millions of people. Mad with grief and rage, Superman murders the Joker, quickly losing his moral compass. Five years later, Superman has formed the One Earth Regime to enforce global peace through fear, and rules the Earth as a ruthless dictator, alongside many other heroes and villains he recruited or forced into joining him and killing any who oppose him. Batman establishes the Insurgency to oppose Superman's Regime, and the ensuing war between the two factions leaves the Justice League disbanded.
