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 First Avenger team of that name, and in November Johnston refuted speculation that the Sub-Mariner, an Invaders team-member in the comics, would be included. Johnston later explained that "the Invaders" had been discussed simply as a possible name for the squad of commandos Captain America leads in the film. Christopher Markus, one of the screenwriters, said the unnamed group was "called the Howling Commandos in the script, but no one says that out loud." The design as a whole tried to create technology that could be built in the 1940s, though with the added Cube technology in Hydra's case. Abandoned Nazi projects