"Crisis on Infinite Earths" is a major crossover event in the DC Comics universe that was published in 1985-1986. It was created by writer Marv Wolfman and artist George Pérez. The storyline involves the destruction of multiple parallel universes, leading to the merging of these worlds into a single universe. This event aimed to simplify the complex continuity of the DC multiverse. The narrative features iconic characters such as Superman, Batman, and Wonder Woman, who unite to combat the powerful antagonist known as the Anti-Monitor. The series had a significant impact on the DC universe, leading to changes in character histories and relationships, and it remains a landmark event in comic book history.