http://marvel.com/news/comics/15530/a_marvel_womens_history_lesson_part_1

This is just part one of women's role in comics throughout Marvel history. Great for comparing movies to comics and perhaps talking about why women aren't that involved in the movie portion of it yet.

http://www.filmfad.com/marvel-minorities-following-black-heroes-comics-film/

This site discusses the history of African Americans in Marvel comic books based on the history of America at the time. It goes through two black superheroes, one male and one female and ends with hope that they will be seen on the big screen soon.

http://www.ukessays.com/essays/media/how-cultivation-theory-applies-to-racial-problems-media-essay.php

This article talks about the role of diversity in Disney movies and superhero movies. It notes that most superheroes tend to be white while their villains are almost always diverse. It also talks about Disney female characters and how they are always considered very beautiful. The last thing it touches on is the fact that children all over the world watch these movies and it could end up affecting them in the future.