Captain America: The First Avenger the film would not be released in China because of a policy limiting the number of foreign films screened there each year, but it eventually opened there in the second weekend of September. Days before the film's release, a teaser trailer for "The Avengers" that served as a post-credits scene of "Captain America: The First Avenger" was briefly leaked online. "Entertainment Weekly" speculated it came from a preview screening and described the footage as "shaky, fuzzy, flickering and obviously filmed on a cell phone". "Captain America: The First Avenger" was formatted and screened in IMAX for the first time on
Captain America: The Winter Soldier put it back in S.H.I.E.L.D. protection. The first televised advertisement for "Captain America: The Winter Soldier" aired during Super Bowl XLVIII on February 2, 2014. According to "The Hollywood Reporter", Disney paid over $4 million per 30-second spot. The "Los Angeles Times" said, "The clip promoting the April 4 release had a recognizably melancholy tone as Chris Evans' patriotic hero grapples with the moral ambiguities of the modern age." Also in February, Gameloft announced that a mobile video game, titled "Captain America: The Winter Soldier – The Official Game", would be released in conjunction with the release of the film