Detective Comics #700, published by DC in August 1996, kicks off the "Legacy" crossover event. In "Progeny of the Demon," Batman, Nightwing, and Robin confront Ra's al Ghul, who plans to unleash a deadly plague threatening 90% of the world's population. This anniversary issue also reveals Ra's's intention for Bane to marry Talia, adding a significant twist for collectors. Catwoman is also featured, trapped in a perilous situation near the fabled Wheel of Plagues. The issue is notable for initiating a major storyline involving key Batman villains.