Trivia: A few weeks ahead of its release, angry fans of the discontinued Zack Snyder iteration of Superman launched an online campaign with the goal of negatively affecting the film's box office performance. When asked about the campaign, director James Gunn said, "I think we'll survive."
Trivia: Jason Scott Lee, who previously voiced David in the original Lilo and Stitch film, has a cameo as the manager for the luau that Nani and David work at. (00:44:18)
Trivia: According to Box Office Mojo, this film made more money domestically on its opening day than the previous Fantastic Four film did in its entire theatrical run.
Trivia: The asterisk in the film's title was added several months before its theatrical release, with Marvel Studios president Kevin Feige claiming the purpose of the asterisk would be revealed in the film. The reveal ended up being the film's alternate title of The New Avengers as its closing title card. Following its opening weekend, Marvel began marketing the film as its aforementioned alternate title, as well as added a ©, likely as reference to the legal dispute mentioned in the post-credits scene.
Trivia: Soon after Ben Richards begins the game, in the background, you can see a shop sign saying "Bachmans." Richard Bachman was the pseudonym Stephen King used as the author of the novel this movie is based on.
Trivia: There was a special screening of this film in which viewers could watch it while walking on a treadmill at the same pace as the characters in the film. Similar to the plot of the movie, attendees would be escorted out of the theater if they ceased walking or fell below speed for too long.
Trivia: Dokota Lohan, Lindsay Lohan's brother, has a cameo in this film as a surfer.
Trivia: In Diane's office, a drawing of Diane's book counterpart Ellen can be seen.
Trivia: Director Dean DeBlois has a cameo as a chubby Viking who is insulted when Hiccup says, "The village could do with a little less feeding."
