Fear Is the Key (1972)

After his police officer brother is killed by a drug dealer who flees to the protection of his cartel-connected uncle in Mexico, an American man with a diverse law enforcement/military background goes south of the border to get revenge

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

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.

After avenging the murder of his family, a former soldier is sprung from prison and recruited by a shadowy government agency.

After learning that the death of his wife was not an accident, a former CIA Station Chief is forced back into the espionage underworld, teaming up with an adversary to unravel a conspiracy that challenges everything he thought he knew.

When his daughter is murdered, William Duncan takes the law into his own hands, setting out on a quest for retribution. After killing the street thug responsible for her death, he finds himself in the middle of a war with the thug's brother, father, and their gang, who are equally hell-bent on getting even. What ensues is a tense back-and-forth game of vengeance. By the end, William comes to find that the quest for revenge never has a winner.

A disgruntled man creates a hit list with a stranger during a drunken night out and must then race to try to save those he marked for extermination as the bodies begin to pile up and all fingers point to him.

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.

May Munro is a woman obsessed with getting revenge on the people who murdered her parents when she was still a girl. She hires Ray Quick, a retired explosives expert, to kill her parents' killers. When Ned Trent, embittered ex-partner of Quick's, is assigned to protect one of Quick's potential victims, a deadly game of cat and mouse ensues.

In post-World War II America, a woman, rebuilding her life in the suburbs with her husband, kidnaps her neighbor and seeks vengeance for the heinous war crimes she believes he committed against her.

After a morally-bankrupt company tries to weaponize a brilliant scientist's revolutionary technology, he goes off the grid to safeguard humanity. When the company sends a strike force to find him, they make their biggest mistake of all – they weaponize the man they are trying to catch.

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.

FBI agent Jack Crawford is out for revenge when his partner is killed and all clues point to the mysterious assassin Rogue. But when Rogue turns up years later to take care of some unfinished business, he triggers a violent clash of rival gangs. Will the truth come out before it's too late? And when the dust settles, who will remain standing?

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.

An unconventional undercover Chicago cop and his partner are recruited to commit the murder of a New Orleans criminal kingpin.

When the most wanted man in America surfaces in a small Kentucky town, his violent history -- and a blood-thirsty mob seeking vengeance and a king’s ransom -- soon follow. As brothers face off against one another and bullets tear the town to shreds, this lightning-fast gunslinger makes his enemies pay the ultimate price for their greed.

Former special forces operative Danny is forced back onto a remote island when a violent, secretive community takes revenge by abducting his daughter Alex, launching a relentless hunt against enemies prepared for his every move.

Ben Archer, an ex-mob enforcer, seeks revenge against a ruthless Chinese kingpin responsible for his wife's brutal murder. When Archer joins forces with his old underworld friends, an all-out war is waged against the Chinese Triad.