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The Revenge of Frankenstein - timeline
Baron Victor von Frankenstein, sentenced to death, escapes execution by the guillotine by having a priest beheaded and buried in his place with the aid of some of his followers. He goes to Carlsbruck and starts using the alias Dr. Stein.
Dr. Frankenstein transplants Karl's brain into a new body, which later murders others. Angry patients at the hospital attack Frankenstein and leave him for dead. Kleve places Frankenstein's brain in a body that resembles his original one. (Carlsbruck, Germany)