Trivia: Tom Cruise broke his ankle doing the building jump in London. He was always intended to almost miss the landing and have to pull himself up, but his foot hit the side of the building and was forcibly bent at a wrong angle. Filming was held up for seven weeks. When he limps away once he has climbed up to the roof, he's not acting - that's the result of his injury.
Trivia: When Deadpool autographs the cereal box he signs it Ryan Reynolds.
Trivia: Spoilers! Red Skull makes his long-awaited return to the MCU after his appearance in Captain America: The First Avenger. We discover that he's been guarding the soul stone as punishment, of sorts. However he's played by Ross Marquand, not Hugo Weaving.
Trivia: When Eddie walks into Mrs. Chen's store, Eddie asks Venom what he would like to eat. Venom responds that he wants tater tots and chocolate. In Venom: The Hunger, it's discovered that the symbiotes need a chemical called phenethylamine to survive. This chemical can be found in both brains and in chocolate.
Trivia: The Titans first encounter Slade while he's stealing a power crystal. They mistake him at first for the Marvel character, Deadpool and proceed to argue back and forth about him being Deadpool or not. With him saying that he's not Deadpool, that actually Deadpool should be saying he's not Slade. This is a joke and reference to the fact that the designer of Deadpool based his looks, abilities, and character originally off Slade/Deathstroke because he wanted to draw Deathstroke. Until Deadpool's backstory and personality were changed to what we know him as today.
Trivia: The way that the Indoraptor portrays itself behind the window and touches the floor with its claw in Maisie's room is a nod to the original Jurassic Park. (01:44:10)
Trivia: The red Aston Martin used in the film is owned by Rowan Atkinson, he brought it to use in the film.
Trivia: In the video that Halliday left behind after his death, you see floral arrangements around his coffin that are in the shape of the Star Trek's Federation symbol and one of the Enterprise. But the really cool thing is his coffin is actually a photon torpedo, exactly like Spock was put in after his death at the end of Star Trek II: The Wrath of Khan. Complete with the blue Federation flag draped over the end of it. (00:08:05)
Trivia: The black body armor that Gerard Butler wears in this movie actually has a patch on it next to the word Sheriff that says "fuck you". (02:13:45)
Trivia: The spears shown in the lab are from Predator 2 and Alien vs Predator.
Trivia: When Dwayne Johnson signs to George to calm him down, he says "it's me." The sign he makes on those words is for "Rock," a reference to his stage name "The Rock." (00:15:25)
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: 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: 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)