Watch La llave mortal (1990) Official Trailer

Mil Máscaras leads a group of wrestlers who take on a challenge in the ring from karate fighters at a martial arts school, while at the same time grappling with an ambitious promoter and a corrupt media businessman. This film was written and produced by Mil Máscaras under his real name of Aarón Rodríguez and features appearances by some well known luchadors including Blue Demon Jr., Dos Caras ( Mil Máscara's real-life brother) and Hombre Araña, who dresses as the comic book hero Spider-Man.