Crippled Avengers is a 1978 Shaw Brothers kung fu film directed by Chang Cheh and starring four members of the Venom Mob. It has been released in North America as Mortal Combat and The Return of the 5 Deadly Venoms. The film follows a group of four martial artists seeking revenge after being crippled by Chu Twin (Chen Kuan Tai), a martial arts master, and his son, Chu Cho Chang (Lu Feng).