The on-sale date is the publication date reported in U. S. Copyright Office filings.
This issue includes 10 pages of paid advertisements.
Pays tribute to the various Torch/Sub-Mariner battles of the early 1940's!
Sub-Mariner last appears in Fantastic Four (Marvel, 1961 series) #9 (December 1963), and next appears in Fantastic Four Annual (Marvel, 1963 series) #1 (1963). This is the first Sub-Mariner story of the 1960s not drawn by Jack Kirby. Sub-Mariner exhibits the powers of a puffer fish and an electric eel, never seen again after this story!
The first page of this story is printed between the pages of the Human Torch story, while the second page is printed between "Secret Weapon!" and "The Treasure of Planetoid 12!". The last page is split with the statement of ownership. Info by Barry Pearl.
Inks and letters credits by Barry Pearl; originally listed Larry Lieber (inks).
This shares the last page of "The Universal Gadget". Average circulation per issue published October 1961–September 1962 (issues #93–103, despite monthly cover dates): 136,637.