All Titles
The Witching Hour (1968-1978)

Magic
A callous man builds a machine that can transport locations from the future into the present, but unbeknownst to him, the room that he materializes and enters is part of a future prison's death chamber.
New Adventures of Superboy (1980-)

Space
Under the guise of giving in to them, Superboy tricks Sar-Ul and Ralsa into going to a planet under a red sun, which removes their powers.