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Creatures on the Loose #21 cover
Cover: Jim Steranko

Creatures on the Loose #21

Jan 1973 · Marvel · 0.20 USD
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In "Two Worlds to Win!", a tyrannical film director finds himself whisked away by Martians during the production of a sci-fi movie—using the set as a perfect disguise. When their ship malfunctions and forces a crash landing, the aliens make a chilling demand: they’ll release the director only if one of the crew he’s wronged dares to rescue him. Stan Lee and Larry Lieber deliver a tense, character-driven sci-fi twist, with Joe Sinnott’s sharp art bringing the alien menace and human drama to life, while Jim Steranko’s striking cover captures the otherworldly tension.

Contains 3 stories
Two Worlds to Win!
10 pp · Science Fiction
I Was a Prisoner of the Martians!
5 pp · Science Fiction
Darius WolfMiss SmythMalcolm Avery

In "I Was a Prisoner of the Martians!" from Creatures on the Loose #21 (1973), a tyrannical film director finds himself whisked away by aliens during the shoot of his own sci-fi movie—only to discover their ship has broken down. With the crew trapped and the Martians demanding a sacrifice, one of the cast or crew who suffered under his cruelty must step forward to save him… or face the consequences.

The Green Thing!
5 pp · Science Fiction

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $8
CGC 9.8 · 12 in census $195
CGC 9.6 · 28 in census $150
CGC 9.4 · 16 in census $113
CGC 9.2 · 8 in census $41
CGC 9.0 · 6 in census $32*
CGC 8.5 · 7 in census $26
Show all 15 grades
CGC 8.0 · 3 in census $24*
CGC 7.5 none in existence
CGC 7.0 none in existence
CGC 6.5 · 2 in census $20*
CGC 6.0 none in existence
CGC 5.5 none in existence
CGC 5.0 none in existence
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

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Full credits

writer Stan Lee
artist, inker Joe Sinnott
letterer Ray Holloway
cover pencils, inks Jim Steranko

Reprints

↩ Reprints Tales to Astonish #4 (1959), Tales of Suspense #51 (1964)

Reprinted in L'étonnant Spider-Man #23 (1973), Planet of the Apes #7 (1974), Frankenstein #1 (1975), The Empire Strikes Back Weekly #133 (1980), The Empire Strikes Back Weekly #134 (1980), Marvel Visionaries: Jim Steranko #[nn] (2002)

Key issues in Creatures on the Loose

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