Trivia: Have a close look at the Predator's trophy collection on his spaceship. Taking pride of place is a skull from the creature in the Alien movies. (01:33:05)
Trivia: When the Terminator reboots himself in the hangar in order to get rid of the influence of the T-X, the scrolling text includes "Quicktime Player - Access" and "MP3.com - No Access." (01:30:15)
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 Well of Souls, you can see hieroglyphics of C3PO and R2D2 on the wall.
Trivia: The guest that was rejected at the party really was Stan Lee who helped popularize the Fantastic Four through writing the comic book for many years. This is actually from the comic book wedding of Reed Richards and Sue Storm (in the 60s) where a guest who looked like Stan Lee was turned away from the wedding.
Trivia: Eric Stoltz was originally cast as Marty. After filming quite a few scenes they realised his acting style was too dramatic for the humor desired, so they cast Michael J Fox (who they couldn't originally get because he was busy with the TV show Family Ties). Filming was on weekends and nights around his TV schedule and using his double at other times.
Trivia: Alfred Hitchcock's cameo comes at the end of the opening credits. He can be seen missing the bus.
Trivia: The two old men near the end, talking about it being "old school" are voiced by Frank Thomas and Ollie Johnston, two Walt Disney animators who worked on such classics as Bambi and Cinderella.
Trivia: The movie being about the start of a major worldwide war (with a heavy use of technology too), an interesting coincidence can be seen in the first truck chase sequence. Just as John and the Terminator speed under the bridge that the T-1000 crashes into, a height warning on the bridge can be read which says "CAUTION 9-11". The truck smashes right into it. (00:36:15)
Trivia: When the Hobbits enter Bree, right after the wheel of the carriage passes in front of them, there is a man you see to the right who's holding a carrot and burps. That is Peter Jackson making a cameo appearance.
Trivia: Mystique transforms into a blonde woman to seduce the security guard. This blonde woman is actually the normal appearance of Rebecca Romijn-Stamos, who plays Mystique. It's the only time we see her without the blue makeup until she's depowered in X-Men 3.
Trivia: After Wade introduces his own avatar, it shows a line of people waiting by a portal. Just before Tracer shows up to the portal, you can see Sonic the Hedgehog standing towards the back of the line tapping his foot in the famous idle animation from the original game where he would tap his foot impatiently if the player left him standing still for too long. (00:04:55)
Trivia: In the beginning of the film, young Sonic gives Longclaw a flower with spiky petals. This flower is actually based on a flower sprite from the original "Sonic the Hedgehog" video-game for the Sega Genesis. (00:02:16)
Trivia: Thanos' gauntlet bears a striking resemblance to the relic of the hand of St. Teresa de Jesus, one of the most important holy relics in Spain.
Trivia: The man shooting the movie during the attack on the beach who says "Don't look at the camera" is actually director Francis Ford Coppola. (00:25:38)