Neutron vs The Karate Killers (1965)

aka's: Neutrón Contra Los Asesinos Del Karate/Neutron Battles the Karate Assassins

Superhero-wrestler Neutron (Wolf Ruvinskis) battles a gang of robotic assassins who use their hands and feet as deadly weapons. Also stars Ariadna Welter and Chucho Salinas. (In Spanish language).

NOTE: This film is the rarest of all the Neutron films and the only one of the five films that has never been released in the U.S.