Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue #1
Published 1962
Frequency annually
Cover Price 0.25 USD
Pages 76
Editing Stan Lee
Notes Distributed to newstands in July 1962 (at the same time as issues cover-dated September and October 1962). Some information on this issue supplied by Tom Lammers and the Atlas/Timely discussion list, including Job Numbers supplied by Dr. Michael J. Vassallo via the Atlas/Timely list. Distribution date from Joseph Marek's Marvel Comics Group history website.

Cover Details - "Grottu! King of the Insects / The Indescribable Diablo / The Miraculous Martian / The Shadow Thing / The Serpent Creature"

Genre monsters
Pencils Jack Kirby
Inks Dick Ayers; Jack Kirby ?
Notes Nick Caputo, via the GCD Error List (26 November 2008) suggests that Kirby may have inked this cover.

1 page advertisement An Amazing Invention—"Magic Art Reproducer"

Letters typeset
Notes inside cover

7 page story "I Unleashed Shagg upon the World!"

Characters Shagg
Genre monsters
Pencils Jack Kirby
Inks Dick Ayers
Notes Narrated in the first person.
Reprinted From Journey Into Mystery (Marvel, 1952 series) #59 (July 1960)

5 page story "I Come from the Shadow World!"

Characters shadow creature; Casey
Synopsis An invader from the shadow world is defeated by a room of lights rigged up by an electrician.
Genre science fiction
Script Stan Lee
Pencils Steve Ditko
Inks Steve Ditko
Reprinted from Tales of Suspense (Marvel, 1959 series) #7 (January 1960)

5 page story "He Waits For Us in the Glacier!"

Characters Anuxa
Synopsis A nuclear submarine finds an alien hibernating in a glacier. He has been waiting thousands of years for humanity to wipe itself out so his race can claim the Earth, and now that nuclear weapons exist he thinks it won't be much longer.
Genre science fiction
Pencils Don Heck
Inks Don Heck
Notes Narrated in the first person.
Reprinted from Tales to Astonish (Marvel, 1959 series) #7 (January 1960)

4 page story "I Became a...Human Bomb!"

Synopsis A criminal sneaks aboard an experimental nuclear missile planning to hijack it and sell it to the Soviets, but after the rocket launches he discovers that it lacks internal control.
Genre horror
Pencils Paul Reinman
Inks Paul Reinman
Notes Narrated in the first person.
Reprinted from Tales to Astonish (Marvel, 1959 series) #6 (November 1959)

6 page story "Grottu, King of the Insects!"

Characters Frank [Ulysses Bloodstone] (earliest published appearance according to later continuity); Lynn Avery (only appearance); Kasenga (only appearance); Grottu (introduction, origin)
Synopsis A journalist and an archaeologist go to Africa and find an ant that has grown giant and gained super-intelligence due to an atomic test. The giant ant tries to lead an army of insects to world conquest, but is foiled when the humans use sugar to turn his ants against him.
Genre monsters
Pencils Jack Kirby
Inks Bill Everett
Notes Grottu next appears in Marvel Monsters: Monsters on the Prowl (Marvel, 2005 series) #1 (December 2005). In later retcons it is established that Grottu's creation was planned by the Deviants. Inker credit of Dick Ayers removed based on information from Tom Lammers and the Timely/Atlas discussion list.
Reprinted from Strange Tales (Marvel, 1951 series) #73 (February 1960)

6 page story "I Know the Secret of the Poltergeist!"

Characters Larry Winters; Rita Winters; Poltergeist
Genre horror
Pencils Steve Ditko
Inks Steve Ditko
Notes Narrated in the first person.
Reprinted from Tales to Astonish (Marvel, 1959 series) #1 (January 1959)

5 page story "I Saw the Serpent that Saved the World!"

Synopsis A man dreams of a monster growing from an alien spore that is killed when it is eaten by a garter snake, a snake that he found in his yard as a boy.
Genre horror
Pencils Don Heck
Inks Don Heck
Reprinted from Journey Into Mystery (Marvel, 1952 series) #55 (December 1959)

4 page story "The Stranger in Space!"

Pencils John Forte
Inks John Forte
Reprinted From Journey Into Mystery (Marvel 1952 series) #53

7 page story "I Saw Diablo! The Demon from the Fifth Dimension!"

Characters Diablo; Ulysses Bloodstone (unnamed, identified in later retcon)
Synopsis An extradimensional smoke monster invades the Earth. It could have destroyed humanity, but an adventurer tricks it by blowing out the smoke from a lighter, making it think humans can destroy it.
Genre monsters
Pencils Jack Kirby
Inks Dick Ayers
Notes Narrated in the first person.
Reprinted from Tales of Suspense (Marvel, 1959 series) #9 (May 1960)

5 page story "I Found the Giant in the Sky!"

Characters Prof. Dunn; giant; princess
Genre fantasy
Pencils Steve Ditko
Inks Steve Ditko
Reprinted from Journey Into Mystery (Marvel, 1952 series) #55 (December 1959)

6 page story "Beware!! The Ghosts Surround Me!!"

Characters Gustav; Hans (only appearance for both)
Synopsis A fleeing criminal in Transylvania hides in an abandoned house, but aliens from a parallel dimension appear to him. He is relieved to find they cannot hurt him, but instead they phase him into an invisible, immaterial state and leave him there forever.
Genre horror
Pencils Don Heck
Inks Don Heck
Notes Narrated in the first person.
Reprinted from Strange Tales (Marvel, 1951 series) #76 (August 1960)

5 page story "I Saw the Invasion of the Stone Men"

Characters Prof. George Ailen
Synopsis Narrated in the first person.
Genre monsters
Pencils Steve Ditko
Inks Steve Ditko
Reprinted from Tales to Astonish (Marvel, 1959 series) #6 (November 1959)

7 page story "A Martian Walks Among Us!"

Synopsis A man happens upon a Martian spy in human form scouting Earth for an invasion but cannot get the authorities to believe him. He tracks down and kills the Martian, revealing that he himself is a Venusian agent in disguise working to protect Earth.
Genre science fiction
Pencils Jack Kirby
Inks Dick Ayers
Notes Narrated in the first person.
Reprinted from Strange Tales (Marvel, 1951 series) #78 (November 1960)

1 page advertisement "The World's Greatest Molder of Handsome He-Men and Champs out of Weaklings"

Letters typeset
Notes inside back cover

1 page advertisement "If You Know Just 20 People...You Can Make At Least $50.00"

Letters typeset
Notes back cover