Slideshow: Black superheroes on the big screen

This weekend, the most highly anticipated film of the year Iron Man 2 finally arrives in theaters. Besides the debuts of Mickey Rourke (as villain Whiplash) and Scarlett Johansson in the series, the film will also feature Don Cheadle character Lt. Col. James “Rhodey” Rhodes becoming a superhero in his own right. Inspired by Cheadle’s performance as ‘War Machine’, theGrio has put together a gallery of black superheroes who have made an impact in the movies.