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Creatures on the Loose #16 cover
Cover: Gil Kane & Bill Everett

Creatures on the Loose #16

Mar 1972 · Marvel · 0.20 USD
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In "Warrior of Mars," Robert Saunders sets out to build a sub-oceanic tunnel between North America and Europe, only to uncover a hidden underground civilization beneath the sea floor. Stan Lee and Larry Lieber deliver a gripping tale of discovery and sacrifice, brought to life by Jack Kirby’s dynamic artwork and Dick Ayers’ sharp inks, while Gil Kane’s cover captures the mystery with bold, striking detail.

Contains 3 stories
Warrior of Mars
10 pp · Science Fiction
The Impossible Tunnel!
6 pp · Science Fiction
Robert SaundersOmor

In "The Impossible Tunnel!" from *Creatures on the Loose* #16 (1972), engineer Robert Saunders ventures deep beneath the ocean floor, only to uncover a hidden underground civilization. As he grapples with the moral weight of his discovery, he must decide whether to complete his ambitious project or protect the peaceful world he’s stumbled upon.

The Frightened Man!
6 pp · Science Fiction

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $6
CGC 9.8 · 3 in census $176*
CGC 9.6 · 18 in census $52*
CGC 9.4 · 17 in census $30*
CGC 9.2 · 9 in census $21*
CGC 9.0 · 1 in census $20
CGC 8.5 · 6 in census $20*
Show all 15 grades
CGC 8.0 · 3 in census $20*
CGC 7.5 none in existence
CGC 7.0 · 2 in census $20*
CGC 6.5 · 2 in census $20*
CGC 6.0 none in existence
CGC 5.5 none in existence
CGC 5.0 · 1 in census $20*
CGC 4.5 none in existence
CGC 4.0 · 1 in census $20*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

Vintage Marvel Comics Creatures On The Loose 1972 Mar #16 $14
Related listings we couldn't confirm as this exact issue · 1 total · seen 15 days ago

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Cast · 1 character

Full credits

writer Stan Lee
artist Jack Kirby
letterer Ray Holloway
cover pencils Gil Kane
cover inks Bill Everett

Reprints

↩ Reprints Strange Tales #96 (1962), Tales to Astonish #33 (1962)

Reprinted in L'étonnant Spider-Man #16 (1972), Hævnerne #2/1974 (1974), Planet of the Apes #2 (1974), Frankenstein #1 (1975), The Empire Strikes Back Weekly #124 (1980), The Empire Strikes Back Weekly #125 (1980), Marvel Firsts: The 1970s #1 (2011), Lost Marvels #1 (2025)

Key issues in Creatures on the Loose

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