Christopher Markus and Stephen McFeely, who wrote Captain America: The First Avenger, stated before that film's release that they were working on a sequel, and in June 2012, Anthony and Joe Russo entered negotiations to direct.
The following month, casting of the supporting roles began with the additions of Anthony Mackie and Sebastian Stan. Principal photography commenced in April 2013 in Los Angeles, California before moving to Washington, D.C. and Cleveland, Ohio. Captain America: The Winter Soldier is scheduled to be released on April 4, 2014, in 2D and 3D.
