Bloody 70's Horror Double Feature: Mary, Mary, Bloody Mary + René Cardona's Blood Feast [Blu-Ray/DVD]

Mary, Mary, Bloody Mary -A beautiful American artist, who's also a vampire, has the Mexican authorities in full investigation, after her lust for blood has left a trail of bodies across the country.
Blood Feast - A twisted, cat lover, who collects weapons and macabre objects, uses a pastime of picking up and scoring with beautiful women, as a means to sustain his massive horde of the animals.