10 Superheroes Marvel Needs To Start Using In Its Movies

Since the Marvel Cinematic Universe kicked off in 2008, comic book fans and moviegoers have watched as this shared world has given us an impressive number of unique superheroes to see in action on the big screen. From Iron Man and Captain America to Thor and the Guardians of the Galaxy, Marvel has proven that they can take A-list or a D-list characters and create an exciting adventures for them to partake in (seriously - four years ago, who would have thought the Guardians would get a movie?!?!)...