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
The Death of Superman speculated its sales were propelled by hopes it would become valuable. Gerard Jones, who wrote the "Green Lantern" tie-in story, theorized that the phenomenon may have been due in part to the then-relatively recent poor ending of the "Superman" film franchise. Sims recalled that when he worked in a comic book store in 2009, some customers were shocked that DC was still publishing Superman comics, as they did not read the story's conclusion. Generally, DC writers have denied "The Death of Superman" was a publicity stunt. Jurgens, for instance, stated he did not anticipate the attention, while Stern believed the