Originally in "Game of Thrones" it was written that the Waif said "it was knife to meet you" when she attacked Arya. It would then be revealed that Arya only survived because she was in STABle condition.
In Thor: Love and Thunder (2022), a significant part of the film occurs in the Shadow Realm, indicating that Gorr had previously encountered the Egyptian Gods
In 10 Things I Hate About You (1999), Bianca asks what a hot rod is. She wouldn't know because the movie Hot Rod (2007) doesn't come out for another eight years.