Stryker's War

A reformed sociopath heads to a remote island after the death of his brother. Soon after his arrival, the island falls under siege from a deadly gang of mercenaries, and when he discovers their role in his brother’s demise, he sets out on a relentless quest for vengeance.

Garan is a part of a group of international hitmen who are contracted to take out the most dangerous killer in the world, only to find out that they're the ones being hunted.

A drifting ex-soldier turns underground fighter with the help of a just-released ex-con, pitting him against corrupt cops and hired killers now gunning for him and all those he cares about.

After a mission goes wrong, only one of a group of mercenaries is left alive to avenge his fallen brothers.

An assassin whose specialty is killing other assassins trying to get out of the business decides to try to get out himself and must then team up with his former mark to escape the hired killers now gunning for them both.