Superman the offer. Siegel and Shuster submitted their work in late February and were paid $130 (AFI $) for those 13 pages. In early March they signed a contract (at Liebowitz's request) in which they released the copyright for Superman to Detective Comics, Inc. This was normal practice in the business, and Siegel and Shuster had given away the copyrights to their previous works as well. Superman was finally published on April 18, 1938, in the first issue of "Action Comics". The magazine sold very well, and feedback from readers showed it was because of Superman. Siegel and Shuster read pulp
Superman: War of the Supermen Superman: War of the Supermen Superman: War of the Supermen is an American comic book limited series from DC Comics that serves as the culmination to the "Superman" line-wide event "". The series began on Free Comic Book Day 2010, with a zero-issue released free of charge before the main limited series began the following week. The whole event is portrayed as a "100 Minute War" in the narrative's time, although the whole event lasted one month in May 2010. No other "Superman" family books were solicited that month other than "Superman/Batman" and "Adventure Comics" neither of which crosses over