 "Crisis on Infinite Earths" is the first installment in what became known as the "Crisis" trilogy; it was followed by "Infinite Crisis" (2005–2006) and "Final Crisis" (2008–2009).The story also serves as inspiration for "Crisis on Infinite Earths", an Arrowverse crossover event consisting of an episode each of "Arrow", "The Flash", "Supergirl", "Legends of Tomorrow" and "Batwoman".DC Comics is an American comic book publisher best known for its superhero stories featuring characters including Batman, Superman, and Wonder Woman.