Superman of the Übermensch; they never acknowledged as much. Since 1938, Superman stories have been regularly published in periodical comic books published by DC Comics. The first and oldest of these is "Action Comics", which began in April 1938. "Action Comics" was initially an anthology magazine, but it eventually became dedicated to Superman stories. The second oldest periodical is "Superman", which began in June 1939. "Action Comics" and "Superman" have been published without interruption (ignoring changes to the title and numbering scheme). A number of other shorter-lived Superman periodicals have been published over the years. Superman is part of the DC
For Tomorrow (comics) an alternate universe version of the character. The "real" General Zod appears for the "first" time in the "" arc, which ran in "Action Comics" in 2006. The idea of Superman moving to a Peru jungle to construct a new Fortress of Solitude is a major story arc elaborated on prior to the events of "Identity Crisis" and "Infinite Crisis". He does not return to the Arctic Circle to rebuild the destroyed Fortress until the "One Year Later" arc "". In addition, Equus returns in "Countdown to Final Crisis" #36 (2007), in which he is trying to instigate a strike