Captain America: The First Avenger Studios confirmed the latter in May. Ryan Phillippe and John Krasinski were also considered for the role of Captain America. In April 2010, Sebastian Stan, who had been mentioned in media accounts as a possibility for the title role, was cast as Bucky Barnes. Stan is contracted for multiple films. Also in April, Marvel announced that Hayley Atwell had been cast as Peggy Carter, and that the film's name had been changed from "The First Avenger: Captain America" to "Captain America: The First Avenger". The next day it was reported that Joss Whedon would be rewriting the script as part
Captain America: The First Avenger that phase of the production where money doesn't matter: 'Let's put all the greatest stuff up on the wall and [then later] see what we can afford. The film, he said, will begin "in 1942, 1943" during World War II. "The stuff in the '60s and '70s [comic books] we're sort of avoiding. We're going back to the '40s, and then forward to what they're doing with Captain America now." In February 2010, Johnston stated that the Invaders will appear in "the entire second half" of the film, leading fans to speculate this was the World War II-era Marvel superhero