Captain America: The First Avenger Flagg's Uncle Sam recruitment poster from World War I and J. Howard Miller's "We Can Do It!" poster from World War II. The soundtrack album for "Captain America: The First Avenger" includes the original score by Alan Silvestri, as well as an original song, "Star Spangled Man", with music composed by Alan Menken and lyrics by David Zippel. The soundtrack was recorded at Air Studios in London and released by Walt Disney Records on July 19, 2011. At the 2010 San Diego Comic-Con International, some footage that had been shot in the previous week was shown at the San Diego
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