Fantastic Four #6 CGC FN+ 6.5 White Pages 1st Marvel Team-up 2nd app Doctor Doom & Sub-Mariner

Cover pencils by Jack Kirby, inks by Dick Ayers. Dr. Doom and the Sub-Mariner team up (first Marvel villian team-up and second Silver Age Sub-Mariner appearance) in "Captives of the Deadly Duo!" Part 1, script by Stan Lee, pencils by Jack Kirby, inks by Dick Ayers;