How I change perceptions by drawing comics

Growing up as a comic book fan, artist Shawn Martinbrough rarely saw people of color depicted positively (or at all) in the stories he loved. So he headed over to New York Comic Con to wrangle himself his first assignment for Marvel Comics. Now, as a successful artist who has worked on "Black Panther" and "Hellboy," he shares the importance of diversity -- for creative teams and character stables alike.