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: In the beginning of the scene in the Master of Laketown's house, Alfrid tries to empty a chamberpot through the open window. During this, the window half closes, so much of the contents of the chamberpot splash on the inside of the window and windowsill. In the extras of the Extended edition it is told that this happened during the first take, and the scene was reshot many times. Nevertheless, the first take ended up in the final cut. (01:11:35)
Trivia: Stan Lee makes his usual cameo, this time as a patient at the asylum where Selvig is being held.
Trivia: When The Joker interrupts the ceremony and shows the video of him blowing up the building, there's a scene where he hits the detonator a few times before the building blows up. This is a scene paying homage to what happened in The Dark Knight when there was an actual unplanned delay during filming of the explosion going off during the blowing up of the hospital.
Trivia: As Kirk, Spock, and Uhura head to the shuttle bay for their mission to Kronos to capture Khan, Sulu orders crew to prepare the vessel that was confiscated in the Mudd incident. This is a reference to Harry Mudd, a roguish character who appeared in the original Star Trek series in the episodes titled,"I, Mudd" and "Mudd's Women." Harry Mudd, played by Roger C. Carmel, was the only non-regular character to appear in more than one episode on the original Star Trek series. Carmel was slated to reprise the role in Star Trek: TNG, but he died before the episode could be filmed. (00:44:25)
Trivia: After the ending credits, there is an additional scene showing an alien invasion appear from a temporal rift. This is likely an homage to the upcoming movie, Justice League: War, which is the story of the Justice League first forming in order to combat an alien invasion. (01:20:50)
Trivia: SPOILER! There is a mid credits scene that shows Logan going through airport security 2 years after the end of the movie, where he encounters Professor X and Magneto, who recruit him for a new mission that will be in the film X-Men: Days of Future Past.
Trivia: After Storm Shadow kills the last ninja guarding Zartan, Zartan knocks over a bunch of crates. Right after he does this, pay attention to the wall behind Zartan: you can see the logo there of the Umbrella Corporation, from the Resident Evil series. (01:42:25)
Trivia: Crimson Typhoon was originally planned to have four arms and be piloted by female quadruplets. However, the producers couldn't find any.
Trivia: At the start when the UNIVERSAL writing comes around the Earth, the TET can be seen in orbit.
Trivia: Ben Kingsley's Maori facial tattoos took about an hour to apply for the character Mazer Rackham.
