Fantastic Four 1961 #194 - 2.0 - $2.25

The Thing looks to stop Diablo and Darkoth, leading to a knockdown, drag-out fight between Ben and Darkoth. With his final breath, Darkoth reveals who he really is to Ben and then sacrifices himself to stop Diablo.

On-sale date from Comic Reader (Street Enterprises, 1973 series) #153, February 1978.

• Doomed by Diablo! - Cover lettering by Danny Crespi confirmed by Todd Klein via The Danny Crespi Files posting on his Facebook page, 27 April 2018.
• - Letters from Kam Kontos, Chuck Mabry, Burt Glass, Chester Mosher.