| Issue | #18 |
| Published | April 1961 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in January 1961. This issue includes 10 pages of paid advertisements. Distribution date from Joseph Marek's Marvel Comics Group history website. |
| Characters | Gorgilla |
| Genre | monsters |
| Pencils | Jack Kirby |
| Inks | Dick Ayers |
| Reprinted | in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006) #2 (2008) |
| Characters | Gorgilla; Scotty; Anne |
| Synopsis | Gorgilla stows away on a ship to America to contact the human race, but is met with fear and violence in New York. He stumbles across some communist spies and stops an assassination, but is killed by the military out of fear. |
| Genre | monsters |
| Pencils | Jack Kirby |
| Inks | Dick Ayers |
| Notes | Narrated in the first person. Gorgilla last appeared in issue #12 (October 1960), and later appears in Marvel Universe (Marvel, 1998 series) and Defenders (Marvel, 2001 series) #1 (March 2001). |
| Reprinted | in Where Creatures Roam (Marvel, 1970 series) #5 (March 1971); in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006 series) #2 (2008) |
| Synopsis | A painting of a Napoleonic victory parade is mysteriously linked to an eccentric inhabitant of modern Paris. |
| Genre | occult |
| Pencils | Joe Maneely |
| Inks | Joe Maneely |
| Letters | typeset |
| Notes | Text story with illustration. The first page of this story is printed between the pages of the lead story, while the second page is printed between the two back-up stories. The last page is split with the statement of ownership. |
| Reprinted | from Astonishing (Marvel, 1951 series) #39 (June 1955) |
| Characters | Monsteroso |
| Synopsis | A creature hatches from an egg and imagines itself lord of all it surveys, but it is suddenly drowned, as it is only a microbe in a scientist's culture. |
| Genre | science fiction |
| Script | Stan Lee ? |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Notes | This story is an altered retelling of "Earth Will Be Destroyed!" drawn by Steve Ditko in Tales of Suspense (Marvel, 1959 series) #9 (May 1960). Stan Lee is given a speculative writing credit based on his authorship of another retelling of the same story. |
| Reprinted | in Fantasy Masterpieces (Marvel, 1966 series) #9 (June 1967); in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006 series) #2 (2008) |
| Letters | typeset |
| Notes | Average circulation per issue October 1959–September 1960 (issues #8–16): 163,156. This shares the last page of "The Stranger". |
| Reprinted | in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006 series) #2 (2008) |
| Synopsis | A robot stationed at a lighthouse rebels against his human master and the man manages to lock the robot outside where the food supply is stashed, but thanks to the salty sea air, it rusts completely within a mere matter of hours rendering it harmless to carry out its threats. |
| Genre | science fiction |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Notes | Formerly erroneously listed as a reprint from Journey Into Mystery (Marvel, 1952 series) #51. |
| Reprinted | in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006 series) #2 (2008) |