Alternative versions of Superman establish a new continuity for DC, affecting not only Superman, but all of the DC Comics characters. The versions of Superman from this time period are traditionally divided into three main periods. The first version of Superman began being published by DC Comics in 1938 appearing in "Action Comics" #1. To explain discrepancies in the aging of Superman across several decades, his earliest stories were retroactively portrayed as having taken place on an alternative world called Earth-Two. These stories take place from 1938 until the late 1950s, although the exact dividing line is unclear and some stories happened identically to
Superman: Whatever Happened to the Man of Tomorrow? Superman: Whatever Happened to the Man of Tomorrow? "Whatever Happened to the Man of Tomorrow?" is a 1986 American comic book story published by DC Comics featuring the superhero Superman. Written by Alan Moore with help from long-time "Superman" editor, Julius Schwartz, the story was published in two parts, beginning in "Superman" #423 and ending in "Action Comics" #583, both published in September 1986. The story was drawn by long-time artist Curt Swan, in his final major contribution to the Superman titles, and was inked by George Pérez in the issue of "Superman" and Kurt Schaffenberger in the issue of