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Journey into Mystery #18 cover
Cover: Larry Lieber & John Romita & Frank Giacoia

Journey into Mystery #18

Aug 1975 · Marvel · 0.25 USD
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In "The Monster in the Iron Mask!", a ruthless businessman’s obsession with eternal life leads him to steal a mysterious device from a reluctant scientist—one that promises a thousand-year lifespan by mimicking the endurance of a redwood. When he activates the ray in his mansion, he discovers too late that immortality comes at a terrible cost: he’s frozen in place, trapped in a body as rigid and unyielding as the ancient tree he sought to emulate. Written by Stan Lee and Larry Lieber, with art by Don Heck and lettering by Ray Holloway, this 1975 tale of ambition and consequence features a haunting cover by Larry Lieber, John Romita, and Frank Giacoia.

Contains 3 stories
The Monster in the Iron Mask!
7 pp · Science Fiction

In "The Monster in the Iron Mask!" from Journey into Mystery #18 (1975), a seemingly unstoppable alien terrorizes Earth—until a clever magician uncovers the truth behind the creature’s invincibility. With a mind sharper than any weapon, the magician sees through the alien’s theatrics, realizing the real danger lies not in strength, but in a single, vulnerable secret.

Forever Is a Long Long Time!
5 pp · Science Fiction

In "Forever Is a Long Long Time!" from Journey into Mystery #18 (1975), a ruthless businessman seizes a revolutionary device from a reluctant scientist, eager to extend his life to a thousand years like a redwood. Ignoring the warnings, he activates the ray in his mansion—only to discover too late that immortality comes with a terrifying price: he’s frozen in place, as rigid and still as the ancient tree he sought to emulate.

The Thing from the Hidden Swamp
6 pp · Science Fiction
Mary Brown

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $10
CGC 9.8 · 1 in census $672*
CGC 9.6 · 3 in census $199*
CGC 9.4 · 3 in census $115*
CGC 9.2 · 1 in census $81*
CGC 9.0 none in existence
CGC 8.5 · 1 in census $54*
Show all 15 grades
CGC 8.0 · 1 in census $49*
CGC 7.5 none in existence
CGC 7.0 none in existence
CGC 6.5 none in existence
CGC 6.0 none in existence
CGC 5.5 · 1 in census $25
CGC 5.0 none in existence
CGC 4.5 none in existence
CGC 4.0 · 1 in census $21*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available
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Full credits

writer Stan Lee
artist, inker Don Heck
letterer Ray Holloway
cover pencils Larry Lieber
cover pencils John Romita
cover inks Frank Giacoia

Reprints

↩ Reprints Journey into Mystery #74 (1961), Tales to Astonish #30 (1962), Tales of Suspense #31 (1962)

Variants (1)

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