Distributed to newstands in January 1964. This issue includes 10 pages of paid advertisements.
Distribution date from Joseph Marek's Marvel Comics Group history website.
Inks credit from Nick Caputo via the GCD Error List (30 August 2006); the original indexer credited George Roussos. Letters credit from George Olshevsky's Marvel Comics Index.
Continues in next issue.
Average monthly paid circulation/print run October 1962–September 1963 (issues #37–48): 188,245/318,952. Paid circulation/print run for issue #48: 189,110/315,053. This shares the page with the promo.
This is the last general science fiction story narrated by the Watcher in Tales of Suspense, future issues feature stories about the Watcher himself.