If you loved Frankenstein Must Be Destroyed, try The Revenge of Frankenstein
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Terence Fisher, and they both carry the body horror mood tag, and they sit in Horror / Science Fiction territory. If that's the register that drew you to Frankenstein Must Be Destroyed, the second film will land in a comparable space — through a different lens.
body horror
What The Revenge of Frankenstein is
Carlsbruck winter, 1860. A guillotine blade still drips. Beneath the scaffold, a dwarf carries a corpse through back alleys. The Baron stitches new faces to spare parts. Fritz adjusts the lamp while corpses twitch on the slab. A Hammer horror quickie—gore so red it feels copyrighted.

