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 and Lois Lane saves her. From then on, Clark was established as a shy man attracted to Lois, while she was interested in his heroic alter ego, Superman. This remained the status quo in the comics for decades, though Lois did warm up to Clark for the most part; yet their relationship couldn't really advance with Lois left out of Clark's secret and the Clark Kent persona is a disguise. As early as the 1940s, Lois began to suspect that Clark Kent was Superman, the first such story appears in "Superman" #17 (July–August 1942) in a story titled "Man or Superman" by Jerry