Trivia: In the scene where Anna is outside the gates during "For The First Time in Forever", you can see the backs of Flynn and Rapunzel from "Tangled".
Trivia: During production, Sylvester Stallone suffered a gash in his right foot whilst filming a fight scene. The injury required 70 stitches.
Trivia: The first entirely English-language film made by acclaimed South Korean director Park Chan-Wook.
Trivia: Four major members of the cast are all known for their roles in multiple films in the Marvel Cinematic Universe. (Appearing in three or more films each). Josh Brolin played Thanos, Elizabeth Olsen played Wanda Maximoff, Samuel L. Jackson played Nick Fury and Pom Klementieff played Mantis.