Arnold Schwarzenegger, the star of the original L'implacabile (1987), appears on the currency used in the film.
The book the movie is based upon was published in 1982 but takes place in 2025, the year this movie is being released. The original movie was released in 1987 and takes place in 2017.
Edgar Wright told Stephen King to watch Hit Man - Killer per caso (2023) to convince him that Glen Powell was the right choice to play Ben Richards.
Prior to developing this adaptation, Edgar Wright said on Twitter that L'implacabile (1987) was the film that he most wanted to remake.