| Issue | #51 |
| Published | March 1959 |
| Frequency | bi-monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in December 1958. This issue includes 10 pages of paid advertisements. Distribution date from Joseph Marek's Marvel Comics Group history website. |
| Characters | Supreme Calculator |
| Genre | science fiction |
| Pencils | Russ Heath |
| Inks | Russ Heath |
| Characters | Frank Brandon; Ben; Charlie; Smitty |
| Synopsis | A reporter investigates a series of spaceship disappearances and is captured by primitive aliens. He forces them to free him by pretending that a simple gadget is a powerful bomb. |
| Genre | science fiction |
| Pencils | Joe Sinnott |
| Inks | Joe Sinnott |
| Notes | This story is set in 2705. Job number from Dr. Michael J. Vassallo via the Atlas/Timely discussion group. |
| Characters | Colin; Mr. Plum; Gertrude |
| Synopsis | A dull teacher earns accolades by accidentally helping capture a Martian criminal. |
| Genre | science fiction |
| Pencils | Joe Maneely |
| Inks | Joe Maneely |
| Letters | typeset |
| Notes | Text story with illustration. |
| Reprinted | from Mystic (Marvel, 1951 series) #52 (October 1956) |
| Characters | Tubuai; Mauiki |
| Synopsis | A chief of a Pacific island tribe finds aliens in a volcano preparing to conquer Earth. He thinks his people will not believe him, so he instead agrees to sell the island to the US for nuclear tests, which destroys the aliens. |
| Genre | science fiction |
| Pencils | Jack Kirby |
| Inks | Wally Wood |
| Notes | Job number from Dr. Michael J. Vassallo via the Atlas/Timely discussion group. |
| Characters | Vaalu (narrator); Uxmal (in framing sequence) |
| Synopsis | A prison colony grows into a thriving society and forgets its origins, while the mother planet becomes a peaceful utopia before being devastated by invaders. The mother planet was Mars, and the prison planet Earth. |
| Genre | science fiction |
| Notes | This story is narrated by some kind of alien "watchers", bearing no resemblance to the later Watchers. Job number from Tom Lammers and Ger Apeldoorn via the Atlas/Timely discussion group. |
| Synopsis | An alien lands on Earth, but cannot be understood. The humans attack it out of fear, and finally drop a nuclear bomb on it. The alien leaves, not out of fear, but because its attempt to make peaceful contact has shown that humans are barbarians. |
| Genre | science fiction |
| Pencils | Jack Kirby |
| Inks | Christopher Rule |
| Notes | Job number from Tom Lammers and Ger Apeldoorn via the Atlas/Timely discussion group. |
| Characters | Supreme Calculator |
| Synopsis | A supercomputer and its army of robots enslave humanity, but it is stopped when a janitor unplugs it. |
| Genre | science fiction |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Notes | This story is set in the late 22nd century. Job number from Dr. Michael J. Vassallo via the Atlas/Timely discussion group. No relation to an identically titled story drawn by Ditko in Tales to Astonish #18. |