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Marvel Mystery Comics #90 cover
Cover: Vince Alascia

Marvel Mystery Comics #90

Feb 1949 · Marvel · 0.10 USD
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In "The Giant of the Alps!", Professor Grimm’s reckless experiment with a growth serum takes a deadly turn when he kidnaps a child and transforms him into a towering giant. With the giant rampaging through the Alps, Torch and Sun Girl must race to reverse the effects before the child’s size becomes permanent—or worse. Written by Joe Millard and illustrated by Charles Nicholas, with inks by George Klein and a striking cover by Vince Alascia, this 1949 adventure blends science-fueled peril with the heroes’ signature courage.

Contains 5 stories
The Giant of the Alps!
8 pp · Superhero
Prof. GrimmFelix BorkorMr. BorkorMrs. BorkorHuman Torch [Jim Hammond]Sun Girl

In "The Giant of the Alps!", a child's life takes a terrifying turn when Professor Grimm kidnaps them to test a growth serum, turning them into a towering giant. With the child now a rampaging force, Torch and Sun Girl must act fast—using a reducing serum to bring the giant down before the destruction spreads. The story unfolds with urgent stakes, as the heroes race to restore the child to normal, all while facing the deadly consequences of Grimm’s twisted experiment.

War-Cry of the Jungle!
8 pp · Superhero
Sub-MarinerNamoraBetty DeanJepsona tribe of Carribean Indians
Unmasked!
5 pp · Superhero
The Vengeance of the Space Monster!
8 pp · Superhero
Elmo VandalProf. LoweInez LowRoger Reeda sphere-creatureSun Girl
Death Mask Dance!
9 pp · Superhero
Lefty SpenceBob WillsCaptain America

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $209
CGC 9.8 $25,043*
CGC 9.6 $15,717*
CGC 9.4 $10,087*
CGC 9.2 $6,466*
CGC 9.0 $4,510*
CGC 8.5 $3,191
Show all 22 grades
CGC 8.0 $2,492*
CGC 7.5 $1,959*
CGC 7.0 $1,677
CGC 6.5 $1,393
CGC 6.0 $1,175*
CGC 5.5 $988*
CGC 5.0 $928*
CGC 4.5 $787*
CGC 4.0 $692
CGC 3.5 $624*
CGC 3.0 $539*
CGC 2.5 $444*
CGC 2.0 $382*
CGC 1.5 $296*
CGC 1.0 $243*
CGC 0.5 $192*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

This exact issue on

CGC 7 $2,013 1 listing CGC 6 $1,299 1 listing CGC $1,895 1 listing Raw / ungraded $204 1 listing
Verified matches for Marvel Mystery Comics #90 · eBay asking prices, seen 28 days ago

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Reprints

Reprinted in Marvel Mystery Comics #89 (1949), Man Comics #1 (1949), Unknown Worlds #36 [1] (1950), Timely's Greatest: The Golden Age Sub-Mariner by Bill Everett - The Post-War Years Omnibus #[nn] (2019)

Key issues in Marvel Mystery Comics

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