The Hitman movies have no connection to a comic book. Instead, they draw their inspiration from the Hitman video games, which feature a stealthy assassin and various mission-based scenarios. These elements were adapted and transformed into the movie versions we see.
The Hitman movies originated from a video game series rather than a comic book. The source material for the movies was the popular Hitman video game series, which provided the inspiration for the cinematic adaptations. The games have their own unique storylines and gameplay mechanics that were translated onto the big screen.