The script and production elements went through several iterations before reaching the screen:

: Despite Hill's veteran status, the film was criticized for pacing issues and "diluted momentum," though some critics appreciated Hill's classic action sensibilities. Film Review: Bullet to the Head (2013) - Adam Mohrbacher

: The film stars Sylvester Stallone as a hitman and Sung Kang as a detective who reluctantly join forces against a common enemy.