Logo design credit from Todd Klein via his Facebook page, used with permission. Klein says probably Brodsky pencils and Simek inks.
Storyline continued from Iron Man & Sub-Mariner (Marvel, 1968 Series) #1. Most of the storyline from Fantastic Four (Marvel, 1961 series) #4 (May 1962) is retold.
Letters from John Musgrave, Michael Janas, Billy Neville & Brack Dodd, Jr., Carl Gafford [as Carl Gaffffoffrd], Hollis Morre, Peter Sanderson, Jr., and Scott Harris; images from earlier Tales To Astonish stories.