I noticed an older viral video being used in the background of Up 2009.

What about it?

https://youtu.be/yp5RBvogZog https://youtu.be/Sv5woNs9WRE

The pediatrician from Shazam! Fury of the Gods (2023) has an Annabelle doll in his office. Director David F. Sandberg made the Annabelle prequel/origin story Annabelle: Creation (2017).

The Big Lebowski [1998] While the Dude hasn't worn it yet in the movie, his classic Pendleton is on the chair behind him when he is dancing on the rug he stole from the other Jeffery Lebowski.

In John Wick - Chapter 2 (2017) The DJ playing during the concert is 'Le Castle Vania'. He provided 3 songs for the Club scene in the first movie. The song he's playing during this scene called "John Wick Mode"

At the conclusion of Glass (2019), each of the remaining characters wears the colors of their associated superhero -- mustard yellow for Kevin/Beast/etc., purple for Mr. Glass, and dark green for the Overseer.

The big Lebowski [1998] The entire movie the nihilists threatened to cut off the Dude's johnson. The shirt Donnie was wearing when he died had Johnson on the back shoulder.

In Hook 1991, Captain Hook has a record player with an arm rest so he can play the record with his hook, the desk has two speakers and the Eton College crest in the center, Hook was a student at Eton College

In Peter Pan (2003), Hook has a tattoo of the crest of Eton on his upper left arm. He attended Eton before coming to Neverland.

In Rain Man (1988), Raymond memorized names from a phone book, the last name is "William Gottsegen". This is actually the name of Dustin Hoffman's real life father in-law.

In The Triplets of Belleville (2003), when Madame Souza arrives at the triplets' flat, the turd floating in the toilet bowl is shaped like Mickey Mouse

The two kids who hand Spider-Man his mask back on the train in Spider-Man 2(2004) are Tobey Maguire's real life half-brothers