In Incredibles 2 (2018), Helen Parr was a superhero while her husband stayed at home with the kids because of a rule in her contract. For more information, look up "Helen Parr Rule 34"
In Avengers: Endgame we see two redheads trade their soul for a soul stone. This is to remind the viewer that it is a work of fiction, as redheads have no soul.
In the newest trailer for Five Nights At Freddy’s, Matthew Lillard says “…piece of cake, really.†This is a reference to the fact that in the previous scene this guy gets his face removed by a giant robot cupcake.
In “Guardians of the Galaxy Vol. 3†(2023), Gamora is listening to “I’m Always Chasing Rainbows†by Alice Cooper, partially because his face on the album cover is green.