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Challengers of the Unknown #40 cover
Cover: Bob Brown

Challengers of the Unknown #40

Oct 1964 · DC · 0.12 USD
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In "The Super Powers of the Challengers," the team races to stop a masked thief known as Mr. Voodoo from robbing an art gallery—only for the mysterious assailant to vanish. When a robot spider infiltrates their jet and later reveals a hidden plan, the Challengers face a new threat: Multi-Man, disguised as Mr. Voodoo, has mapped their mountain base and unleashed a swarm of insect robots to attack. Written by Arnold Drake and illustrated by Bob Brown, with inks and lettering by Brown, the cover by Bob Brown captures the tension of this high-stakes showdown.

Contains 3 stories
The Super Powers of the Challengers
11.67 pp · Adventure, Superhero
two crooks

In "The Super Powers of the Challengers," the team investigates a stolen gold shipment after a mysterious flying machine abducts a railroad boxcar. When the trail leads underwater, the Challengers dive into the depths, using their wits and gadgets to track the thieves behind a hijacked air-sea rescue craft—before finally bringing them to justice.

Untitled Humor story
0.5 pp · Humor
The Spy in Challenger Cave
11.67 pp · Adventure, Superhero
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]Mr. Voodoo [Multi-Man]

In "The Spy in Challenger Cave," the Challengers of the Unknown face a masked menace when Mr. Voodoo strikes an art gallery, only to vanish—leaving behind a trail of mystery. When a robot spider infiltrates their jet and photographs their mountain headquarters, the team realizes a hidden enemy is watching their every move. With Multi-Man revealed as the mastermind behind a swarm of insect robots, the Challengers must outwit a foe who knows their secrets—before the mountain itself becomes a trap.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $6
CGC 9.6 · 3 in census $1,103
CGC 9.4 · 2 in census $565*
CGC 9.2 · 1 in census $327*
CGC 9.0 · 5 in census $222*
CGC 8.5 · 2 in census $198
CGC 8.0 · 2 in census $117*
Show all 8 grades
CGC 7.5 · 1 in census $93*
CGC 7.0 · 3 in census $43*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

Challengers of the Unknown! Silver vintage. U-Pick! Combined shipping! $9.99
Related listings we couldn't confirm as this exact issue · 1 total · seen 32 days ago

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Cast · 4 characters

Full credits

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

Reprints

Reprinted in Etranges Aventures #9 (1968), Etranges Aventures #20 (1971), Titanes Planetarios #209

Key issues in Challengers of the Unknown

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