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
The Death of Superman arc references Siegel and Shuster's first Superman story, "The Reign of the Superman". It crosses into the larger DC Universe, with "Green Lantern" #46 (October 1993) featuring a tie-in story. Despite the gap between the releases of "Funeral for a Friend" and "Reign of the Supermen!", no time passed within the continuity of the comics. "The Death of Superman" concluded in October 1993 with "The Adventures of Superman" #505, in which Superman returns to Metropolis. Doomsday emerges from an underground bunker and encounters the Justice League International. He easily defeats them, but Superman arrives and the two fight across America.