Captain America: The First Avenger a video game tie-in titled "", that was released in 2011 for the Xbox 360, PlayStation 3, Wii and Nintendo DS. Marvel released the mobile game, "Captain America: Sentinel of Liberty", in July 2011. A toy line was released as well. The world premiere of "Captain America: The First Avenger" was held on July 19, 2011, at the El Capitan Theatre in Hollywood, California. The film was screened at the San Diego Comic-Con International on July 21, 2011. It was commercially released in the United States and Canada on July 22, 2011. Paramount opted against altering the American-centric title when
Captain America: The Winter Soldier Robert Redford, and Samuel L. Jackson. In "Captain America: The Winter Soldier", Captain America, Black Widow, and Falcon join forces to uncover a conspiracy within S.H.I.E.L.D. while facing a mysterious assassin known as the Winter Soldier. A major influence in "The Winter Soldier" was conspiracy fiction from the 1970s such as "Three Days of the Condor", with the script also drawing from the Winter Soldier story arc written by Ed Brubaker. The script was written in 2011, with the Russo brothers entering negotiations to direct in June 2012 and casting beginning the following month. Principal photography commenced in April 2013