11Charlie and the Chocolate Factory

In Charlie and the Chocolate Factory, Charlie's father works in a factory that makes "Smilex" toothpaste. This is a reference to Tim Burton's "Batman," in which the Joker unleashes lethal "Smilex" poison upon Gotham City by hiding it within personal care items such as toothpaste.
12Spongebob’s Atlantis Squarepantis

In Spongebob’s Atlantis Squarepantis, LRH has two different colored eyes, just like his voice actor David Bowie.
13Liar Liar

In the opening scene of Liar Liar (1997), Jim Carrey is greeted by a fellow lawyer entering the courthouse. The man is Christopher Darden, who in real life was the co-prosecutor in the infamous O.J. Simpson trial.
14Shazam!

In Shazam! (2019) you can see Annabelle in the pawn shop.
15Mr. & Mrs. Smith

Mr. & Mrs. Smith, when Brad Pitt is interrogating a hostage, the hostage is wearing a Fight Club T-shirt.
16Moana

The carpet from the song "How Far I'll Go" in the movie Moana (2016), is a replica of Aladdin's magic carpet from Aladdin (1992).
17Kingsman

In the vehicle hangar in Kingsman, (a film about British spies) one of the vehicles is the Beatles' Yellow Submarine.
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18Spider-Man: Into the Spider-Vers

In Spider-Man: Into the Spider-Verse (2018), a black flag and red ribbon on the wall of Miles’ room allude to the Merc with a Mouth’s (Deadpool) signature logo.
19Us

In the movie "Us" the ambulance number at the end of the movie is '1111' referencing the Jeremiah 11:11 verse throughout the movie - “Therefore thus saith the Lord, Behold, I will bring evil upon them, which they shall not be able to escape; and though they shall cry unto me, I will not hearken unto them.”
20Spider-Man: Into the Spider-Verse

In Spider-Man: Into the Spider-Verse, the FLDSMDFR from Cloudy with a Chance of Meatballs is sucked into the collider.