What The--?! works that spoof some of their all-time greatest successes. For example, in issue #2, Byrne creates a tale pitting his work on the Fantastic Four franchise against his work with Superman. The issue goes so far as to have the Lex Luthor character complain about the changes Byrne made to the Superman legend after DC Comics' "Crisis on Infinite Earths". Though it carried the Marvel Comics label on the front left corner, "What The--?!" touted itself as being published by "Marble Comics". "What The--?!" parodied Marvel institutions such as the legendary Marvel Comics fan mail page, with staged articles called
Superhero comics World War II and the end of the Great Depression. In comics format, superpowered and costumed heroes like Popeye and The Phantom had appeared in newspaper comic strips for several years prior to Superman. The masked detective The Clock first appeared in the comic book Funny Pages #6 (Nov. 1936). In the Great Depression and World War II era the first Superhero Comics appeared, the most popular being Superman, Batman, Captain Marvel, Wonder Woman and Captain America. After World War II superhero comic books gradually declined in popularity, their sales hindered in part by the publication of "Seduction of the