Trivia: This film's budget reportedly ballooned due to Dwayne Johnson frequently showing up late to set.
Trivia: Writer/Director Parker Finn has a cameo as the photographer during Skye's photo shoot.
Trivia: Near the beginning of the movie, as the SWAT vehicles are approaching, a billboard is visible in the background advertising the movie "The Watchers", which was directed by M. Night Shyamalan's daughter, Ishana.
Trivia: Willem Dafoe previously played Max Schreck (and by extension, Count Orlok) in Shadow of the Vampire, which is a fictionalized telling of the filming of the 1922 Nosferatu film.
Trivia: The first time Maika Monroe saw Nicolas Cage in make-up as Longlegs, her heart rate jumped up to over 170 bpm, around 100 above her resting heart rate.
Trivia: Michael Bay, director of the first two films in the franchise, has a cameo as a pissed off driver who almost runs over Mike. He's driving a black 964 Porsche 911 Turbo, which is the same car Mike drove in the first film.
Trivia: The restaurant near the bookstore where Charlie works is called the Double Deuce. Double Deuce was the name of the Road House in the 1989 film version.
Trivia: Chip, who plays the role of Alfie (Ellie's cat), is the pet cat of Claudia Schiffer, the wife of the film's director, Matthew Vaughn.
Trivia: This is the first MCU film since 2008's The Incredible Hulk to feature Liv Tyler as Betty Ross and Tim Blake Nelson as Samuel Sterns a.k.a. The Leader. They were the last two of that film's five main characters to reappear in the franchise.