Trivia: Towards the end when young Adam takes the light saber, he jumps and lands saying "super hero landing", as mentioned by Deadpool in his movie played by Ryan Reynolds.
Trivia: When Geppetto's cuckoo clocks first start ringing, the first one features Woody from Toy Story who was voiced by Tom Hanks who plays Geppetto in this film. The second one features Roger and Jessica Rabbit from Who Framed Roger Rabbit - directed by Robert Zemeckis who also directed this film.
Trivia: Smart Beavis and Smart Butt-Head are based on the Watchers from Marvel Comics.
Trivia: When Jack Russell first begins walking down the hallway with the mural on the walls, the first image he sees is a comic book accurate drawing of Gorr the God Butcher, the main antagonist from Thor: Love and Thunder. (00:02:29)
Trivia: Nicolas Cage originally didn't want to make the film, as he felt uncomfortable with the idea of playing himself in a movie. The director wrote him a very nice note, explaining why the movie was important to him and how they wanted to celebrate Cage's wild and varied career, which won Cage over.