And of course, it all comes down to a fight. This seems fitting for the ending of Mantis, which is about the battle for leadership of the complex assassin underworld introduced in Kill Boksoon.

Netflix’s upcoming “Kill Boksoon” spin-off film “Mantis” has unveiled new stills featuring its cast! “Mantis” is an action film that centers on Mantis (Yim Si Wan), a top-tier assassin who returns to ...