Marvel Comics teenager, something with which many readers could identify. Lee and freelance artist and eventual co-plotter Jack Kirby's Fantastic Four originated in a Cold War culture that led their creators to revise the superhero conventions of previous eras to better reflect the psychological spirit of their age. Eschewing such comic-book tropes as secret identities and even costumes at first, having a monster as one of the heroes, and having its characters bicker and complain in what was later called a "superheroes in the real world" approach, the series represented a change that proved to be a great success. Marvel often presented
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