Marvel Studios: Assembled was announced in February 2021 as a television documentary series of specials to go behind-the-scenes with an "in-depth examination" of the Marvel Cinematic Universe (MCU) television series and films in the franchise's Phase Four slate of content. Each "making of" special follows the filmmakers and the cast and crew members during the production of each project, with exclusive on-set footage used to compile the specials in the series. Assembled was announced to premiere on March 12, 2021, with a special for WandaVision (2021), with specials for The Falcon and the Winter Soldier (2021), the first season of Loki (2021), and Hawkeye (2021), along with the film Black Widow (2021), also revealed.[1] Later in March, ahead of the premiere of The Falcon and the Winter Soldier, its special was revealed to release on April 30, 2021.[2][3] Shortly after the premiere of Loki in June, that series' special was revealed to release on July 21, 2021.[4] The first three specials debuted one week after the release of each series' finale.[5][3][4] In September 2021, the Black Widow special was revealed to be releasing on October 20, 2021, while a special for What If...? was announced for October 27.[6] In November, a special for Shang-Chi and the Legend of the Ten Rings was announced to be releasing on November 12, 2021, to coincide with the Disney+ release of that film as part of the service's "Disney+ Day" celebration.[7]