The X-Men are a great example of relatable super heroes. They are mostly all normal humans until they realize they have some extraordinary gifts. Not all of them are heroes, some turn to the evil side and become villains.
Entertainment Weekly's "Portrait of an evolving superhero universe: X-Men, Deadpool, Fantastic Four, Gambit and Wolverine"
X-Men Spin-off Gambit Gets Lizzy Caplan as the Female Lead
X-Men Spin-off Gambit Gets Lizzy Caplan as the Female Lead -- Channing Tatum's Gambit movie begins moving into production as another key cast member signs on. -- http://movieweb.com/gambit-movie-x-men-cast-lizzy-caplan/
Which X-MEN Cast Members Know the ’90s X-MEN Cartoon Theme Song