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 First Avenger Times Square on April 23, 2011. The film features nearly 1,600 visual effects shots, which were split between thirteen different companies. To achieve the appearance of the skinny, pre-serum Steve Rogers, director Joe Johnston stated that he used two major techniques: Captain America's shield, which serves as both a defensive tool and a weapon, came in four types: metal, fiberglass, rubber, and computer graphics (CG). Prop master Barry Gibbs specified that "We had the 'hero shield,' which was made of aluminum, for our beauty shots [and] close-up work. We then created a lighter shield that was aluminum-faced with a fiberglass