Title: Day of the Death-Demon
Featuring: Fantastic Four
Synopsis: Ben is flying an experimental shuttle for NASA which is taken over by Diablo, and even Thing's old buddy Darkoth can't save him.
Character Appearances: F: The Thing; GS: Mr. Fantastic, Invisible Girl, Human Torch, Wyatt Wingfoot, Franklin Richards, Impossible Man, Agatha Harkness; Vs. Diablo, Darkoth (Desmond Pitt)
Credits: Len Wein & Marv Wolfman (Plotters); Bill Mantlo (Script), Keith Pollard (Pencils), Joe Sinnott (Inks), Francoise Mouly; Janice Cohen (Colors), Joe Rosen (Letters).