A wealthy lord dies and is entombed with a valuable deposit of jewels. Seven keys are required to unlock the tomb and get hold of the treasure. A mad doctor uses an iron maiden to systematically eliminate the heirs to
The Mummy's Tomb
Wicked City
What's New Scooby-Doo? Vol. 10: Monstrous Tails
Scooby-Doo! and the Monster of Mexico