In the Pixar logo after the credits of Wall-E, Wall-E replaces Luxo Jr.’s lightbulb with an environmental friendly compact fluorescent bulb after his incandescent bulb goes out.
2Spider-Man: Into the Spider-Verse
In Spider-Man: Into the Spider-Verse (2018), the comic books that introduce our main characters have the actual creators of the Spidermen credited as authors.
3Ready Player One
In Ready Player One (2018), the two quarters placed over James Halliday's eyes are from 1972. The birth year of Halliday and the first commercially successful video game, Atari's Pong. The cost to play: 25 cents.
In Aladdin (1992), in Genie's cave, you can clearly see a Lamassu statue. Agrabah is supposedly located on the ancient Sumerian territory. Maybe Genie's the last master was an Anunnaki giant.
In Cars (2006), an 'Apple car' can be seen in the race at the beginning of the movie. This is a tribute to the former CEO of Pixar, Steve Jobs. The number 84 is also significant and was chosen because it was the year the first Apple computers began selling.
In The Incredibles, when Buddy (voiced by Jason Lee) is in Mr. Incredible's car, Mr. Incredible mistakenly starts to call him Brodie, the name of Lee's character from Mallrats.
King Kong (2005) takes place in 1933, the same year the original film was released. Early in the film, when Carl Denham is looking for a new lead actress for his movie, the dialogue suggests that the original King Kong (1933) exists and was being made at the same time as this one.
In the Transformers movie (2007), the first-time Bumblebee appears, he's parked next to a yellow VW Beetle, his original form from the cartoon series and toy line.
9Lilo and Stitch
In "Lilo and Stitch" (2002), one of the restaurants in the city is named 'Mulan Wok'.
10Kong: Skull Island
In Kong: Skull Island (2017), the actual camera that was used in the 1933 film is hidden in the scene at Hank Marlow's place - as confirmed by the film's VFX artist, Jeff White.