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 First Avenger in "Guardians of the Galaxy", has a brief appearance as an autograph seeker. Writer and director of "Guardians of the Galaxy" James Gunn jokingly claimed that this was Peter Quill's grandmother. Stan Lee has a cameo appearance as a general. In April 1997, Marvel was in negotiations with Mark Gordon and Gary Levinsohn to produce "Captain America", and Larry Wilson and Leslie Bohem were set to write a script. In May 2000, Marvel teamed with Artisan Entertainment to help finance the film. However, a lawsuit arose between Marvel Comics and Joe Simon over the ownership of "Captain America" copyrights, disrupting