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Challengers of the Unknown #31 cover
Cover: Bob Brown

Challengers of the Unknown #31

Apr 1963 · DC · 0.12 USD
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In "The Man Who Saved the Challenger's Lives, Chapter 1," the origins of the Challengers of the Unknown take a gripping turn as Red, Ace, and Clayton recount their separate pasts—each a moment of quiet courage that would later define them. Written by Arnold Drake and illustrated by Bob Brown, this pivotal issue reveals how a young boy’s plea on a South American radio tower, a daring nitro delivery, and a mysterious rescue after a crash all led to their fateful bond. The story’s foundation is set with the cover by Bob Brown, capturing the team’s enigmatic beginnings in a world where heroism starts long before the spotlight.

Contains 3 stories
The Man Who Saved the Challenger's Lives, Chapter 1
6.67 pp · Adventure, Superhero
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]Wilfred ClaytonBartonSir Lawrence ReverePresident Domingo

In "The Man Who Saved the Challenger's Lives, Chapter 1," Wilfred Clayton claims he’s the reason the Challengers survived their plane crash—prompting each to recall their pasts. Rocky remembers overcoming a drugged-out rival in the ring, while the Prof reflects on a reckless collision that forced him to confront his privilege after helping a man salvaging a statue for fishermen.

Chapter 2: The Secret from the Challengers' Past
5.67 pp · Adventure, Superhero
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]Wilfred Clayton

In "Chapter 2: The Secret from the Challengers' Past," the origins of Red, Ace, and Clayton unfold in a South American nation where a young boy’s plea to stop a dictator sparks Red’s first true act of heroism. Ace recalls his days flying dangerous cargo runs, risking everything when a crate of nitro breaks loose—his moment of courage that would later define him. Now, as they prepare for a TV appearance, a crash leaves them clinging to life, and Clayton quietly reveals he’s the one who saved them—now asking them to journey to South America to build something far greater than any of them could have imagined.

Chapter 3: The Warrior from 1,000 A.D.
11.67 pp · Adventure, Superhero
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]Wilfred ClaytonDr. Steuben

In the jungles of South America, the Challengers of the Unknown face a deadly mystery when an ancient statue begins to move—its flying arm and sword attacking them as they try to assemble it. Realizing too late that the statue is a robot, Prof and Red are captured by its inventor, Clayton, along with Dr. Steuben, while Ace and Rocky race to reattach the final arm, unaware that Ace has secretly reprogrammed it to destroy the machine.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $10
CGC 9.4 · 2 in census $322*
CGC 9.2 · 3 in census $187*
CGC 9.0 · 1 in census $127*
CGC 8.5 none in existence
CGC 8.0 · 2 in census $67*
CGC 7.5 · 2 in census $53*
Show all 12 grades
CGC 7.0 · 1 in census $44*
CGC 6.5 · 1 in census $37*
CGC 6.0 none in existence
CGC 5.5 none in existence
CGC 5.0 none in existence
CGC 4.5 · 2 in census $30*
* 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

letterer Stan Starkman
artist, inker Bob Brown
cover pencils, inks Bob Brown

Reprints

Reprinted in Showcase Presents Challengers of the Unknown #2 (2008), Titanes Planetarios #171

Key issues in Challengers of the Unknown

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