"Captain America" debuts

Cartoonist and executive producer Stan Lee attends the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Chris Evans at the El Capitan Theatre on July 19, 2011 in Hollywood — Frederick M. Brown/Getty Images

Actor Chris Evans attends the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

From left, actors Shaun Toub and Robert Downey Jr. and Paramount Pictures Vice Chairman Rob Moore attend the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actor Samuel L. Jackson attends the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actor Dominic Cooper signs autogaphs at the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actress Vanessa Hudgens attends the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actress Amanda Righetti attends the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actor Chris Evans greets co-star Hayley Atwell at the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Director Joe Johnston and guest attend the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actor Chris Evans poses at the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Paramount Pictures Vice Chairman Rob Moore and actor Chris Hemsworth attend the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Director Kevin Smith and his family attend the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Television reporter Maria Menounos greets actor Chris Evans at the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.

Actress Hayley Atwell attends the "Captain America: The First Avenger" premiere at the El Capitan Theater on July 19, 2011, in Hollywood, Calif.