As Avengers: Endgame co-writer Christopher Markus highlighted in a watch party for the movie hosted by Comicbook.com, Reginald VelJohnson appeared in this deleted scene as a fireman, and Markus said that the actor’s inclusion was their “loving tribute” to Die Hard.
While audiences got their first look at Bruce Banner in his Smart Hulk form when he met up with Steve Rogers, Natasha Romanoff and Scott Lang at a diner to talk time travel, originally the plan was for Smart Hulk to debut in a scene where he rescued some people from a burning building.