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Giant-Size Man-Thing #1 cover
Cover: Mike Ploog

Giant-Size Man-Thing #1

Aug 1974 · Marvel · 0.50 USD
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Contains 4 stories
How Will We Keep Warm When the Last Flame Dies?
25 pp · Horror-Suspense
Paul BentonProfessor MarshallAkar (death)KamarThe Entropists (first appearance)
Ice-Monster Cometh!
5 pp · Fantasy
Hugo BoggIce-Monster
I Was the Invisible Man!
7 pp · Science Fiction
Adam Clayton (only appearance)

In "I Was the Invisible Man!", a desperate scientist harnesses a radical invention to outrun light itself—turning invisible and free to move unseen. As he revels in the thrill of speed and secrecy, the cost mounts: time warps around him, leaving him fraying at the edges, aging in mere weeks.

Goom! The Thing from Planet X!
13 pp · Horror-Suspense
Mark Langley (introduction)Helen Langley (introduction)

When an astronomer sends radar signals into space in a bid to reach alien life, he unwittingly awakens Goom, a monstrous entity from Planet X drawn to Earth by the call. Now, the creature descends with terrifying intent, and humanity’s only hope lies in the strange, swamp-dwelling Man-Thing, who may be the only one able to stop the invasion.

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $9
CGC 9.8 · 15 in census $600
CGC 9.6 · 42 in census $158
CGC 9.4 · 31 in census $103*
CGC 9.2 · 17 in census $72*
CGC 9.0 · 26 in census $59*
CGC 8.5 · 23 in census $48*
Show all 19 grades
CGC 8.0 · 12 in census $44*
CGC 7.5 · 12 in census $39*
CGC 7.0 · 5 in census $34
CGC 6.5 · 8 in census $30*
CGC 6.0 · 8 in census $29*
CGC 5.5 none in existence
CGC 5.0 · 1 in census $21*
CGC 4.5 · 2 in census $20*
CGC 4.0 · 1 in census $20*
CGC 3.5 none in existence
CGC 3.0 · 2 in census $20*
CGC 2.5 none in existence
CGC 2.0 · 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

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Cast · 7 characters

Full credits

writer, artist Jack Kirby
letterer Artie Simek
cover pencils, inks Mike Ploog

Reprints

↩ Reprints Strange Tales #67 (1959), Tales of Suspense #15 (1961), Amazing Adult Fantasy #11 (1962)

Reprinted in Comic Reader #106 (1974), Eclipso #60 (1977), Essential Man-Thing #1 (2006), Marvel Firsts: The 1970s #2 (2012), Man-Thing Omnibus #[nn] (2012), Man-Thing by Steve Gerber: The Complete Collection #2 (2016), Giant-Size Marvel Omnibus #[nn] (2025), Marvel Masterworks: Man-Thing #2 (2025)

Key issues in Giant-Size Man-Thing

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