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/Shazam: First Thunder of "Paperback Reader" gave the book an A-, saying "if you want a laid back adventure, try this book out. It is one of the best Captain Marvel stories I’ve had the honor of reading." The series was collected as a trade paperback: Superman/Shazam: First Thunder Superman/Shazam: First Thunder is a 2006 comic book mini-series published by DC Comics, written by Judd Winick, with art by Joshua Middleton. The story recounts the first meeting between two DC superheroes, Superman and Captain Marvel. Contrary to the usual popular stereotype, the encounter proves most pleasant as they quickly become staunch allies whose