Fantastic Four #154

In "The Man in the Mystery Mask!", the Fantastic Four face a shadowy foe whose attacks seem impossible—until flashbacks reveal Reed Richards once played the role himself. With the team questioning who’s behind the mask, the truth lies buried in a past deception. Written by Len Wein and Stan Lee, with art by Bob Brown and Dick Ayers, and a cover by Gil Kane and Frank Giacoia, this 1975 issue delivers a classic mystery with a personal twist.