Captain America: The First Avenger directing the project before Johnston was approached in 2008. The principal characters were cast between March and June 2010. Production of "Captain America: The First Avenger" began in June 2010, and filming took place in London, Manchester, Caerwent, and Liverpool in the United Kingdom, and Los Angeles in the United States. The film was converted to 3D in post-production. "Captain America: The First Avenger" premiered in Hollywood on July 19, 2011, and was released in the United States on July 22, 2011. The film was commercially successful, grossing over $370 million worldwide. Critics particularly praised Evans' performance, the film's depiction
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