Chris Evans, Robert Downey Jr. at Captain America Premiere

Chris Evans teamed up with his Captain America castmates last night for their premiere at LA's El Capitan theater. The superhero movie also features Sebastian Stan, Hayley Atwell, and Dominic Cooper. Some of Chris's high-wattage costars from his next project The Avengers also walked the red, white, and blue carpet to drum up buzz for their film. Robert Downey Jr. and Samuel L. Jackson attended the debut, as did Chris Hemsworth, with wife Elsa Pataky by his side. We spoke with Chris Evans, who looked dapper in a suit and tie, as he made his way into the movie. He told us he was most intimidated to meet and work with Robert on The Avengers, which brings together many of Marvel's most beloved comic book characters, including Captain America, Iron Man, and Thor. Chris also admitted he hated training for Captain America when we caught up with him last weekend, because he had to eat constantly to bulk up and work out with a "relentless" trainer, but clearly the effort paid off!