1.The colors in Black Panther's end credits match the colors of the Infinity Stones.
2.The end credits for Harry Potter and the Prisoner of Azkaban show the Marauder's Map, and a pair of feet can be seen in between another pair of feet, indicating that two people are getting intimate.
3.In the end credits of Scream, they say "no thanks whatsoever" to a school that backed out of a verbal agreement to let the movie shoot there shortly before filming was scheduled to begin.
4.During the end credits of Inside Out, you can see that most dog memories are joy and most cat memories are disgust.
5.Words are purposely misspelled in the Dumb & Dumber's opening credits — for example, "producers" is "prodoosers."
6.At the end of Doctor Strange, there's a warning about distractions while driving. In the film, Strange crashes his car while looking at x-rays on a screen. Strange also says "the warnings come after the spells," in the movie, and this warning comes after the film.