The following is a short list of DVD/Blu-Ray releases for the action/sci-fi/horror genres:
Slipstream (1989) - Starring Mark Hamill, Bill Paxton and Ben Kingsley. This also comes with four bonus features: Logan's War: Bound By Honor; The President's Man; The President's Man: A Line in the Sand; and The Final Comedown.
Queen Of Blood (1966) - Astronauts go to Mars and return with a green vampire woman. Starring John Saxon, Basil Rathbone and Judi Meredith.
Twice Told Tales (1963) - Three creepy Nathaniel Hawthorne stories: "Dr. Heidegger's Experiment", "Rappaccini's Daughter" and "The House of the Seven Gables".
TNT Jackson/Get Christie Love - Two films on one DVD from the blaxploitation genre.