Issue: #30
Last valuation update: 2025-09-23
On vacation in Transylvania, the Fantastic Four get lost in the woods and come across a castle. A local baron warns them off, but that night a mysterious voice calls to Ben Grimm - the voice of Diablo!
First appearances: Diablo, Baron Hugo
Creators: Stan Lee, Jack Kirby, Artie Simek, Chic Stone
Characters: Human Torch, Invisible Woman, Mister Fantastic, Thing, Diablo, Baron Hugo