Publication history of Superman written by Alan Moore with art by Curt Swan. Although the new Modern Age version of Superman is said to have already been active for many years, most previous Superman appearances and elements were rendered out of continuity by John Byrne's "The Man of Steel". Later stories such as "" bring many of the Silver Age elements back into continuity. In Byrne's version, Superman came from the planet Krypton which was re-imagined as a cold, sterile world in deep contrast to the wonderworld of the past 48 years. Once Kal-El's rocketship (containing genetic materials and a birthing-matrix which resulted in
Superman (Kingdom Come) several more years' worth of solar energy, effectively erasing his Kryptonite vulnerability. Superman (Kingdom Come) The Superman of "Kingdom Come" (usually referred to as Kingdom Come Superman) is a fictional character, an alternate version of Superman in the DC Comics universe. First introduced in "Kingdom Come" #1 (May 1996), Kingdom Come Superman was created by Mark Waid and Alex Ross. The Superman of "Kingdom Come" first appeared as the main character of the 1996 Elseworlds miniseries "Kingdom Come" written by Mark Waid and Alex Ross with art by Ross, set in the future of the DC Universe. In 1999, "The