Fantastic Four #170 (1976)

"A Sky- Full of Fear!" Script by Roy Thomas. Art by George Perez and Joe Sinnott. Cover by Ed Hannigan and Joe Sinnott. Reed designs an exo-skeleton for a de-powered Ben, so the Thing can return to the Fantastic Four and help him stop a rampaging Power Man! Who is secretly manipulating Luke Cage? Alicia Masters seems to know! When she confronts her stepfather in the slammer, Power Man busts in and grabs both her and the Puppet Master! Then, in the skies high above the prison, Ben Grimm and Luke Cage engage in a titanic battle with Alicia's life hanging in the balance!

Note: The Marvel Value Stamp Series B #90 Doctor Strange by Frank Brunner was removed. Good condition.