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Challengers of the Unknown #32 cover
Cover: Bob Brown

Challengers of the Unknown #32

Jun 1963 · DC · 0.12 USD
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In "One Challenger Must Die!", the Challengers of the Unknown face a terrifying transformation when Mastermind manipulates the alien D'Jann into using his "substance converter" to turn them into elemental beings—flame, cloud, wind, and flat. Written by Ed Herron and illustrated by Bob Brown, with inks and lettering by Brown and Starkman, this 1963 DC classic sees the team struggle to stay united as their powers warp their forms and their minds, even as Cosmo’s strange behavior hints at a deeper secret. The cover, also by Bob Brown, captures the moment of chaos as the Challengers confront their own fractured selves.

Contains 3 stories
One Challenger Must Die!
9.67 pp · Adventure, Superhero
Ace MorganRocky DavisProf HaleyRed RyanVolcano Man

In "One Challenger Must Die!", the Challengers of the Unknown face a terrifying new threat as two re-emerging volcano-men wreak havoc. When their differing strategies—Prof’s carbon dioxide foam and Ace’s liquid oxygen—both fail, the team must overcome their divisions to stand united against the combined menace. Only by working together do they finally bring the creature down, learning the hard way that unity is their greatest strength.

Cosmo Turns Traitor
14.67 pp · Adventure
Ace MorganRocky DavisProf HaleyRed RyanCosmo [J'Suna]D'JannMastermindMastermind's gang

In "Cosmo Turns Traitor," the Challengers of the Unknown face a shocking betrayal when Mastermind manipulates the alien D'Jann into turning them into elemental forms—flame, cloud, wind, and flat—using a substance converter. As the team struggles to survive their transformed states, Cosmo's strange behavior raises questions, hinting at a hidden truth behind his loyalty.

Untitled Humor story
0.67 pp · Humor

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $12
CGC 9.6 · 1 in census $568
CGC 9.4 none in existence
CGC 9.2 · 2 in census $176*
CGC 9.0 none in existence
CGC 8.5 · 4 in census $82
CGC 8.0 · 1 in census $63*
Show all 11 grades
CGC 7.5 · 2 in census $50*
CGC 7.0 · 1 in census $23*
CGC 6.5 none in existence
CGC 6.0 · 1 in census $20*
CGC 5.5 · 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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CGC 9.8 $80 CGC 9.8 $80
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Full credits

writer Ed Herron
artist, inker Bob Brown
letterer Stan Starkman
cover pencils, inks Bob Brown

Reprints

Reprinted in The Brave and the Bold #98 (1971), Showcase Presents Challengers of the Unknown #2 (2008), Titanes Planetarios #178

Key issues in Challengers of the Unknown

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