Chris Evans (left) portrays Captain America and Robert Downey Jr. is Tony Stark in the new film "Marvel's The Avengers." (AP Photo/Disney, Zade Rosethal)

Photo by: Zade Rosenthal

Chris Evans (left) portrays Captain America and Robert Downey Jr. is Tony Stark in the new film "Marvel's The Avengers." (AP Photo/Disney, Zade Rosethal)