Blackenstein

1974 horror movie “Blackenstein” starring John Hart, Ivory Stone, Roosevelt Jackson and Yvonne Robinson.

Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs. Unfortunately an insanely jealous assistant (who has fallen in love with Eddie’s fiance) switches Eddie’s DNA injections, transforming him into a gigantic killer.(Summary courtesy of imdb.com).