Trivia: The spears shown in the lab are from Predator 2 and Alien vs Predator.
Trivia: Daisy Ridley, best known as the character Rey in the "Star Wars" sequel trilogy, was originally the lead contender for the part of Lara Croft, but had to bow out due to scheduling conflicts. The role eventually went to "Ex Machina" co-star Alicia Vikander, who as it happily turns out is a big fan of the video-game series on which the film is based, and wanted to try her hardest to do the character justice.
Trivia: When Melissa McCarthy is leaving the precinct angrily she is pointing to all the police staff and insulting them. However, when she gets to one of the cops, she says "I would have f*cked you", she is actually speaking to her husband in real life, Ben Falcone. (01:01:05)
Trivia: At one point early in production, the film was going to be slightly retooled in order to make it the third entry in the "Cloverfield" franchise, following "Cloverfield" and "10 Cloverfield Lane." Eventually, this idea was dropped, and the movie was left as a stand-alone film.
Trivia: The real RL Stein makes a cameo appearance as the principal Mr. Harrison who presents Sonny with his science award at the end of the film.
Trivia: Author of the novel Kevin Kwan has a cameo in the montage 'Who is Rachel Chu'.
Trivia: While a sequel was rumored for years, series creator Brad Bird has stated that he would only make an "Incredibles 2" if he could come up with an idea that he felt was just as good as the original. It took 14 years for the film to finally be released - the longest gap between a Disney/Pixar film and its sequel.
Trivia: The Philosopher's Stone from the first Harry Potter film is visible inside Nicholas Flamel's locker.
Trivia: When the other guys ambush Jerry at the Deer Hall, he starts narrating to himself as things happen in flashes of slow motion. This is a direct spoof/reference to the 2009 Sherlock Holmes movie where RDJ's version of the character does this same thing as he analyzes a fight or sequences, predicting the outcome. (00:24:45)
Trivia: When a member of the resistance destroys a truck with his RPG, the "Wilhelm scream" can be heard.
Trivia: While Bill Foster, played by Laurence Fishburne, is teaching the class, the words "Matrix" can be seen on the blackboard behind him, referring to the film series Laurence Fishburne starred in.
Trivia: The animators created many small flaws in the film in order to emulate the looks of old comics. This includes color separation and a slight double-image effect in certain scenes to replicate imperfect comic-printing techniques. While the effect was intentional, many film-goers who saw the movie in 2D actually complained about these effects, thinking they were accidentally sold tickets to a 3D movie. (Especially due to the double-image effects).
Trivia: Julie Murphy, author of the the book "Dumplin'", makes a cameo as one of the cheering patrons at the drag bar in the last scene.
Trivia: There is a message left at the end of the credits of the film reading "The staff at the Hotel Artemis hope you enjoyed your stay and that you'll return soon." (01:33:20)
Trivia: Spoilers. You can briefly see at one point that Margot's high school mascot is an anthropomorphic catfish. In internet slang, "catfishing" is when someone pretends to be someone else online in order to "lure in" others. This is a very subtle clue to the ending, in which it is revealed that the user "fish_n_chips" was a boy who was "catfishing" Margot online.
Trivia: When Watson falls from a tower in the museum courtyard, he yells a Wilhelm scream.
Trivia: Contemporary or modern-day altered version of the "BTK" (Bind, Torture, Kill) serial killer - Dennis Rader - who murdered at least ten women from 1974-1991 in the Wichita, Kansas area. Rader was arrested in 2005 and received ten life sentences, but the "Clovehitch Killer" was killed by his son and made to look like an accident or suicide.