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 or actual vehicles from the period were used as inspiration. Daniel Simon, who was previously responsible for many vehicle designs in "", was appointed Lead Vehicle Designer. Director Johnston cited Simon's book "Cosmic Motors" as a reason to trust his influence, saying "he's sort of the guy I wanted to be when I was designing stuff for "Star Wars"". The Red Skull's car, for instance, was based on two Mercedes-Benz vehicles from the 1930s, the 540K and the G4. "Variety" reported in March 2010 that Chris Evans was cast as Captain America and Hugo Weaving as the Red Skull; Marvel