From Wikipedia:
“Hart now owns the rights to 11 movies made by her late husband's company: It Conquered the World (1956) and its 1966 remake Zontar, The Thing from Venus, Invasion of the Saucer Men (1957) and its 1965 remake The Eye Creatures, I Was a Teenage Frankenstein (1957), I Was a...
I would also love a Blu-ray of The Amazing Colossal Man. Sadly, the rights to this film belong to Susan Hart, along with several other AIP films. She spurred any offers to have them released.