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
DC animated universe (comics) League Unlimited" comics did use many characters from the DC Universe, some characters never made it to the screen. Those that did not appear in the television series are listed below: The entire Marvel Family (except for Captain Marvel, who made a one-time appearance) were unable to appear on "Justice League Unlimited" due to legal reasons. DC animated universe (comics) While Batman and Superman had their own animated series and comic book follow-ups, the rest of the characters in the would appear in the following comics often. The Batman Adventures was created as a comic book tie-in to and The