If Marvel Comics tries to distance themselves from DC Comics by being more "realistic" and "cutting-edge" than DC then why do they constantly copy the things DC comics does? DC is more traditional and classical.
The Fantastic Four and the Avengers was inspired in part by The Justice League's popularity.
Marvel has at least a dozen riffs of Superman- The Sentry, Hyperion, Gladiator, Drax, etc.
Setting most of your stories in real-world settings and incorporating elements of the real world into a comic book universe does not necessarily make better comics.
The Fantastic Four and the Avengers was inspired in part by The Justice League's popularity.
Marvel has at least a dozen riffs of Superman- The Sentry, Hyperion, Gladiator, Drax, etc.
Setting most of your stories in real-world settings and incorporating elements of the real world into a comic book universe does not necessarily make better comics.