'Fist of Death' aka 'El Puño de la Muerte' (1982) Dir. Alfredo B. Crevenna.

Set dramatically within the roiling depths of the Amazon, the silver masked champion of good valiantly takes on an evil, distractingly pulchritudinous sorceress, fights a tiger barehanded and throws down hard on his nemesis, el Tinieblas! With wall-wall weirdness, dodgy Kung Foolery, deliciously incongruous usage of Jean-Michel Jarre, and gratuitous hoodoo voodoo breast jiggling, the spectacularly schlocky Santo jungle-set luchador adventure is a garishly psychotronic feast of fight-packed phantasmagoria!