Once upon a time, a crisis that raged across infinite Earths rocked the Superman mythos to its core. Out of its ashes rose a bold new reimagining of the life and times of the Man of Steel, crafted by legendary comics writer and artist John Byrne—and the history of the Last Son of Krypton would never be the same! In this incredible volume of classic tales from Byrne and acclaimed collaborators Marv Wolfman, Jerry Ordway, Karl Kesel, and more, Superman battles to stop a gang war on the streets of Metropolis, encounters the time-traveling Legion of Super-Heroes and the extradimensional imp Mr. Mxyzptlk for the "first" time, and matches the Joker and Lex Luthor—and that's just for starters! Collecting #5-11, #588-593, #439-435, #37-38, and profiles from , includes more than 500 pages of groundbreaking stories from the birth of a new era for the Man of Tomorrow!