Captain America: The Winter Soldier The film featured extensive use of digital doubles. Russell Earl, ILM visual effects supervisor, said, "The character that we did the most work on was Falcon. We knew we were going to do CG wings. We also did some shots with wires and some with stunt doubles and head replacement. And we needed a very good digital double." Lola VFX, who worked on the pre-serum Steve Rogers scenes in this film and "Captain America: The First Avenger", also worked on shots featuring an elderly Peggy Carter. This involved digitally transposing the facial features of an elderly actress onto the face
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