The Crisis on Infinite Earths is the story that removed the multi verse concept from the fictional DC Universe. "Crisis" is considered by many to be one of the most important and most influential comic book storylines of all time.
This comic by Mark Waid tells the story of Batman's enemy, Ra's al Gul continues with his quest of decimating human population to save the Earth from overpopulation. The JLA will try to confront him and his plot to divide the Justice League.
In this Elseworlds tale, a single nail leads to a flat tire -- a flat tire belonging the car of Jonathan and Martha Kent on a very fateful night, leading to a series of chain-reaction events that drastically alters the course of history in the DC Universe!
Kingdom Come is a riveting story, written by Mark Waid and Alex Ross, with artwork by Alex Ross, pitting the Justice League against a new generation of crime fighters and their harder brand of justice, leaving people terrified.
Identity Crisis is a seven-issue comic book limited series published by DC Comics. When the spouse of a JLA member is brutally murdered, the entire superhero community searches for the killer, fearing their own loved ones may be the next targets.