Why are Superheroes so Popular?

Superman, Iron-Man, Wolverine. Our culture seems to have an endless appetite for superheroes. Commonly they are dismissed as purely escapist juvenile literature but is that all they are? Is their more to the love of these characters than adolescent power fantasies of the fans? How is it that so many of these characters have endured so many revisions and retellings over the decades? Why are some of them required to adhere to a black and white moral code but others allowed to exist in shades of gray?
Read the rest
http://trbrownauthor.hubpages.com/hub...