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: The Man of Steel Superman: The Man of Steel Superman: The Man of Steel is a monthly American comic book series that ran for 136 issues from 1991 to 2003, featuring Superman and published by DC Comics. As a result of introducing this series alongside its already existing titles, DC Comics was able to publish a new Superman comic each week. Included in these 136 issues were two special issues: #0 (October 1994, published between issues #37 and #38) and #1,000,000 (November 1998, published between issues #83 and #84), which were tie-ins to "" and "DC One Million". The first issue was written by