'Avengers' star Chris Evans revealed that his anxiety initially led him to turn down the role of "Captain America." The actor has now filmed three 'Captain America' movies and two 'Avengers' films as the iconic superhero. In a video from the YouTube channel Motivation Madness that Evans tweeted Saturday, the actor shares that he was afraid of the six-film commitment he?d have to make to the role over a 10-year period and that he went to therapy after turning the role down.