| Issue | #87 |
| Published | August 1961 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in May 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 | Grogg |
| Genre | monsters |
| Pencils | Jack Kirby |
| Inks | Dick Ayers |
| Reprinted | in Monsters on the Prowl (Marvel, 1971 series) #23 (June 1973) |
| Characters | Miklos Koslov; Ivan Grotsky; Grogg |
| Synopsis | Koslov is sent back to Russia as a spy, and discovers that the dragon Grogg is still on the loose. He lures Grogg into a Soviet rocket and launches it on its mission to Mars, knowing that if the Soviets ever travel to Mars they will find an enraged dragon. |
| 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—"Grogg" (7 pp). Grogg last appeared in issue #83 (April 1961); his next published appearance is in Fantastic Four/Iron Man: Big in Japan (Marvel, 2005 series) #1 (January 2005), while his next chronological appearance is in Marvel Monsters: Monsters on the Prowl (Marvel, 2005 series) #1 (December 2005). |
| Reprinted | in Monsters on the Prowl (Marvel, 1971 series) #23 (June 1973) |
| Characters | Jon Randall; Hannes Bache |
| Synopsis | An artist alters a matter transmitter to create images out of the human imagination, but more than just the image of the imagined monster is created. |
| Genre | science fiction |
| Letters | typeset |
| Notes | Text story with illustration. |
| Reprinted | from Mystic (Marvel, 1951 series) #15 (December 1952) |
| Synopsis | A lighthouse appears by a village, but their teacher feels they shouldn’t use it unearned and destroys it. They build a new one, never knowing that the first was a beacon for an alien invasion, now aborted. |
| Genre | science fiction |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | in Creatures on the Loose (Marvel, 1971 series) #24 (July 1973) |
| Characters | Carlotta |
| Synopsis | A greedy duke taxes his people into poverty. When he ignores a gypsy's warnings and tries to seize her ancient mirror he finds himself imprisoned within it forever, freeing his subjects. |
| Genre | occult |
| Pencils | Don Heck |
| Inks | Don Heck |
| Reprinted | in Monsters on the Prowl (Marvel, 1971 series) #23 (June 1973) |