INFINITE CRISIS was a 2005-06 crossover event storyline consisting of a core mini-series of the same name from Geoff Johns and multiple tie-ins. It is one of DC's 'crisis' events, which typically involve the Multiverse and an elevated threat to its existence. A sequel to 1985's CRISIS ON INFINITE EARTHS, which rebooted the DC Universe attempting to rectify decades of contradictions, INFINITE CRISIS revisits the DC Multiverse with a host of alternate versions of iconic characters.