| Issue | #84 |
| Published | May 1961 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in February 1961. This issue includes 10 pages of paid advertisements. Some information on this issue supplied by Tom Lammers, Dr. Michael J. Vassallo, and others via the Atlas/Timely discussion group. Distribution date from Joseph Marek's Marvel Comics Group history website. |
| Characters | Magneto [Hunk Larken] |
| Genre | monsters |
| Pencils | Jack Kirby |
| Inks | Dick Ayers |
| Reprinted | in Monsters on the Prowl (Marvel, 1971 series) #24 (August 1973) [as "This is...Magnetor!"] |
| Characters | Magneto [Hunk Larken] |
| Synopsis | A strong man is exploited and abandoned, unable to find work except in a freak show. His size makes him the perfect pilot for an experimental space flight, on which he gains magnetic powers. He attacks society and runs amok until a rocket is created to take him into space and find somewhere where he can fit in. |
| Genre | monsters |
| Pencils | Jack Kirby |
| Inks | Dick Ayers |
| Notes | Narrated in the first person. This story is divided into two parts: an untitled part one (6 pp) and part two—"Magneto!"(7 pp). |
| Reprinted | in Monsters on the Prowl (Marvel, 1971 series) #24 (August 1973) [as "The Wonder of the Ages!!! Magnetor!"] |
| Characters | Ned Carter; Mr. Jonas |
| Synopsis | A disgruntled janitor's obsessive effort to create a sweeping robot costs him his job and ends in failure, but only because he sees no use for a perpetual motion machine. |
| Genre | science fiction |
| Letters | typeset |
| Notes | Text story with illustration. |
| Reprinted | from Uncanny Tales (Marvel, 1952 series) #32 (June 1955) |
| Characters | Victor Fabius; Sylvestor Weems |
| Synopsis | A greedy lawyer steals a time machine in order to profit from knowledge from the future. Once there he is tried for stealing the machine and his lies are useless against the telepathic jury. |
| Genre | science fiction |
| Pencils | Paul Reinman |
| Inks | Paul Reinman |
| Notes | Narrated in the second person. |
| Synopsis | Two beings in grotesque space suits fight on Mars. One of them destroys the other's ship and escapes, with the two never knowing that they were both humans: one from the US, one from the USSR. |
| Genre | science fiction |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | in Monsters on the Prowl (Marvel, 1971 series) #24 (August 1973) [retouched into a SHIELD vs Hydra story] |