Captain America: The First Avenger unprecedented amount of time" would be devoted to the conversion process, to render all the film's visual effects in true 3-D. In November 2010, Stanley Tucci stated that he had completed filming his scenes and that the rest of the production would wrap in about three weeks. In February 2011, it was announced that Alan Silvestri had been chosen to compose the film score. In March 2011, it was reported that "Captain America: The First Avenger" would be undergoing reshoots in the United Kingdom and in Los Angeles in April 2011. A scene was also filmed in New York City's
Captain America (William Burnside) in contemporary times, to battle the original Captain America). This complicated origin is the reason that some sources list "Young Men" #24 as this character's first appearance, when in fact this, and subsequent 1950s-published Captain America stories, was clearly created with the intention of depicting the original Captain America. A 1977 story, "What If" Vol. 1 #4, (August, 1977), introduces two other, previous Captain Americas - William Naslund, appointed by Truman in 1945 to succeed the original Captain America, and Jeff Mace, who succeeds Naslund as Cap in the spring of 1946 after Naslund is killed in action. These versions