Marvel Comics | 1964 | Estimated Grade: VG+. 3.53" spine split at bottom, front cover detached from lower staple, small losses at bottom od spine, front and backKey Facts: 1st DiabloSynopsis for "The Dreaded Diablo!"
While on vacation in Transylvania, the Fantastic Four get lost exploring the forests and come across an ancient castle, and they are told to stay away from it by Baron Hugo. However, that night the Thing answers a call to the castle and unwittingly frees the master alchemist Diablo.When the FF arrive to see what happened to the Thing, they find that Diablo has almost succeeded in restoring Ben to his human form. When Reed tries to attack Ben for betraying them to Diablo, Ben defends the Alchemist, hoping that he can succeed where Reed had failed.
Diablo then begins selling his Alchemy potions the world over, and takes Transylvania under his control. Meanwhile, he tricks Ben into taking a potion that turns him into the Thing once more. The Thing then returns to the FF and leads them in trying to stop Diablo. When Diablo manages to capture his friends, the Thing smashes through the castle and frees his friends and traps Diablo back in the holding cell he was originally trapped in, before bringing the castle down with one powerful punch.
The Torch melts the castle down to slag, and the FF take their leave, lost once again in the forest.
