Crespi credit per Nick Caputo. George Olshevsky's Marvel Comics Index #7B credits Gaspar Saladino.
Lieber pencils on pages 1-3; page 6, panels 1-2; page 13, panel 1 and pages 14-17. Ayers pencils on pages 4-5; page 6, panels 3-7; pages 7-8; pages 11-12; page 13, panels 2-5; and page 18. Info per Nick Caputo, January 2019.
A number of panels and covers are reprinted in this story, most with alterations by Marie Severin. Page 5, panel 5 is from page 5, panel 3 of the Colossus story in Tales of Suspense #20; page 9, panel 2 is from page 5, panel 2 of the Colossus story in Tales of Suspense #14; page 9, panel 3 is from the cover to Tales of Suspense #14; page 10, panel 1 is from the cover to Tales of Suspense #20; page 10, panel 2 is from page 13, panel 4 of the Colossus story in Tales of Suspense #20; page 10, panel 3 is from the cover to Astonishing Tales #21 and page 10, panel 4 is from the cover to Strange Tales #89. Info per George Olshevsky's Marvel Comics Index #7B.
It next appears in Incredible Hulk (Marvel, 1968 series) #244 (February 1980).
Letters from (and replies to) Roger Slifer, E.J.F.D.G., Jimmy E. Parrish, John Rhoades, Jr. and Michael N. Tierstein. Includes a special announcement from Stan, Roy, and Marvel Comics about the increase of price from 20 to 25 cents and Marvel focusing on different prices and formats.
A special announcement notes this is the last issue featuring It, the Living Colossus and Deathlok would replace the strip next issue. Includes a house-ad for Giant-Size Creatures #1 and Marvel Value Stamp #18 featuring Volstagg. Appears between pages 11 and 12 of the story sequence.