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
Origin of Superman time in "Superman" #61. "Action Comics" #158 retold the origin again, this time acknowledging the adventures of Superboy. After Mort Weisinger took over as editor of the Superboy comics in 1953, the mythology of Superman began growing, starting with the introduction of Superboy's pet Krypto the Superdog, the first survivor of Krypton in comics other than Kal-El himself. When Weisinger became editor of the entire Superman line in 1958, the Superman mythology began expanding even more rapidly. Producing over a hundred Superman stories a year, Weisinger aimed to introduce a new element to the character's mythology every six months. By