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Challengers of the Unknown #15 cover
Cover: Bob Brown

Challengers of the Unknown #15

Aug 1960 · DC · 0.10 USD
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In "The Return of Multi-Man," the Challengers of the Unknown track a fugitive who’s gained super-strength after surviving an explosion—only to find themselves drawn into a perilous quest in Central America. When Multi-Man teams up with the enigmatic Gurk to recover a mysterious statue, the Challs must confront both the dangers of the jungle and the strange transformation of their former ally, Pramble. Written by Ed Herron and illustrated by Bob Brown, with cover art by Bob Brown, this 1960 issue delivers a classic mix of sci-fi intrigue and high-stakes adventure.

Contains 4 stories
The Return of Multi-Man
11.67 pp · Adventure
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]Duncan Pramble [Multi-Man]Gurkprison guardsCentral American natives

In "The Return of Multi-Man," a prison escape sets off a chain of events when the newly strengthened Multi-Man teams up with the enigmatic Gurk to assemble a mysterious statue. The Challengers of the Unknown track them to Central America, where the final piece holds the key to a forgotten tribal treasure—leading to a shocking transformation and a desperate showdown with the natives who protect it.

Untitled Humor story
1 pp · Humor
The Lady Giant and the Beast
12.67 pp · Adventure
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]June Robbinscitizensa microbe beast

In "The Lady Giant and the Beast," June’s experiment with mysterious space spores on Challenger Mountain spirals into chaos when the spores explode, leaving her giant-sized and disoriented. When a colossal red dragon-beast terrorizes a nearby town, June regains her senses and confronts the creature—only to discover it’s no ordinary monster, but a microscopic menace that shrinks away after being doused by a fire hose. The story unfolds with a blend of sci-fi wonder and classic adventure, as the Challs navigate both the giant’s unintended rampage and the true nature of the threat.

Untitled Non-Fiction story
1 pp · Non-Fiction, Math & Science

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $18
CGC 9.0 · 1 in census $218*
CGC 8.5 · 4 in census $149*
CGC 8.0 · 2 in census $115*
CGC 7.5 · 3 in census $91*
CGC 7.0 · 1 in census $77*
CGC 6.5 · 2 in census $64*
Show all 14 grades
CGC 6.0 · 1 in census $57*
CGC 5.5 · 1 in census $45*
CGC 5.0 · 3 in census $45*
CGC 4.5 · 1 in census $36*
CGC 4.0 none in existence
CGC 3.5 · 1 in census $30*
CGC 3.0 none in existence
CGC 2.5 · 1 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

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

Reprints

↩ Reprints Mystery in Space #11 (1952)

Reprinted in The Hundred Plus Comic #50 (1960), All Favourites Comic #22 (1960), Titanes Planetarios #122 (1961), Big Boss #66 (1962), Super DC Giant #S-25 (1971), Showcase Presents Challengers of the Unknown #1 (2006)

Key issues in Challengers of the Unknown

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