Superman & Batman: Generations III (2003-2004) #1

Direct sales edition comic book published by DC Comics. Part of the "Elseworlds" series, which places characters from the DC Universe in settings outside their regular continuity. This particular storyline examines what would have happened if Superman & Batman's continuity had progressed normally through time from their earliest appearances in the 1930s. Story & art by John Byrne. Book 1 of 12.