In SCREAM VI (2023), the character Jason Carvey is watching Jason Takes Manhattan. This is both a reference to how JTM takes place in NY which is also a reference to SCREAM VI taking place in NY and the fact the character is named Jason.
In Birdman (2014) a woman asks, “Is this for real or are you shooting a film?†as Michael Keaton’s character stands on a building’s ledge, and then replies, “A film!†and that film in question is actually 2014’s Birdman.
In the movie Nope (2022), there is a scene where blood rains down on their house. This is because Jordan Peele is a massive Slayer fan and wanted to pay homage to the band’s classic song.
In a YouTube ad for Meg 2: The Trench (2023), the day in the link for tickets says "Firday" instead of "Friday". This is actually a genius prediction since that's how much money the movie will make overall: Firday dollars and 41 Megs.
Willem Thefoe was originally going to use just his face as the Goblin in Spider-Man 2002. However, at the time, the producers were afraid of getting a R-rating because of it so they put a mask on him
In Spider-Man Homecoming (2017) Ned drops Peters Death Star when Pete turns up in his suit. This is because Ned is a moron and has no hand eye co-ordination.