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: The Winter Soldier Robert Redford, and Samuel L. Jackson. In "Captain America: The Winter Soldier", Captain America, Black Widow, and Falcon join forces to uncover a conspiracy within S.H.I.E.L.D. while facing a mysterious assassin known as the Winter Soldier. A major influence in "The Winter Soldier" was conspiracy fiction from the 1970s such as "Three Days of the Condor", with the script also drawing from the Winter Soldier story arc written by Ed Brubaker. The script was written in 2011, with the Russo brothers entering negotiations to direct in June 2012 and casting beginning the following month. Principal photography commenced in April 2013