Unmasked! From Robert Downey Jr. to Tobey Maguire, a Look Back on Stars Before They Were Superheroes

'The Avengers: Age of Ultron' teaser trailer suggests that a difficult future lies ahead for our favorite Marvel superstars. That inspired us to think back on the happier pasts of their real-life alter egos, back when they didn’t have to get dressed up in capes, cowls, and iron suits to combat evil (and, occasionally, each other). Here’s a glimpse at each of the Avengers, along with other past, present, and future comic book movie stars, before they became big-time superheroes.