Masked Avengers (1981)

A group of martial artists seek revenge after being crippled by Tu Tin-To, a martial arts master, and his son.

A veteran Muay Thai expert goes on a take-no-prisoners mission of revenge after his wife and daughter are brutally murdered by mysterious forces.

Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.

A highly trained and exceptionally deadly swordsman looks for revenge after being caught in the middle of a power struggle that results in the assassination of an innocent woman's family.

A sinful martial arts expert wants to start a new tranquil life, only to be hunted by a determined detective and his former master.

A dying master sends his last student to check up on five former pupils, who each know a special style of kung-fu.

The Qing emperor releases all detained Shaolin disciples, but the vindictive White Lotus clan decides to exterminate all the disciples. One martial artist survives the onslaught, and constantly trains while in hiding for revenge.

A Chicago cop is caught in the middle of a gang war while his own comrades shun him because he wants to take an irresponsible cop down.

A psychotic craftsman pits two rival Kung-Fu masters against each other while designing special lanterns from a disturbing source.

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.