Mephisto: Speak Of The DevilCollects Thor (1966) #180 181, Fantastic Four (1961) #276, Amazing Spider Man (1963) #274, Mephisto Vs. (1987) #1 4, Marvel Graphic Novel: Doctor Strange and Doctor Doom Triumph and Torment (1989), Daredevil (1964) #266, Silver Surfer (1987) #45, Black Panther (1998) #4 5, New Mutants (2009) #37; material from Silver Surfer (1968) #3, Fantastic Four (1961) #277. The most diabolical entity in the Marvel Universe put its greatest heroes through hell!