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Marvel Mystery Comics #89 cover
Cover: Vince Alascia

Marvel Mystery Comics #89

Dec 1948 · Marvel · 0.10 USD
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In "The Case of the Granite Bandit!", B.P. finds herself at the center of a shocking accusation when a little orphan girl claims she’s grooming children for crime—only for the truth to unravel in a twist that puts her on the trail of two ex-cons using the girl to orchestrate a dangerous scheme. With the help of a clever disguise and a dash of detective work, B.P. races to free the girl’s kidnapped brother and expose the real culprits. The story unfolds with sharp pacing and classic pulp energy, all rendered in crisp, expressive art by Mike Sekowsky, while the cover by Vince Alascia captures the tension with bold, dynamic lines.

Contains 6 stories
The Case of the Granite Bandit!
10 pp · Superhero
Sun Girl (guest-star)Corelli (villain, introduction)Mike (villain, introduction, death)

In "The Case of the Granite Bandit!" from Marvel Mystery Comics #89 (1948), B.P. faces a twisted scheme when a little orphan girl's shocking accusation during a benefit show at her orphanage sets off a chain of deception. As B.P. uncovers the truth behind the child's testimony, she must go undercover as a cab driver to track down the real culprits—two ex-cons holding the girl’s brother hostage. The story unfolds with sharp pacing and classic pulp tension, blending moral urgency with a clever cat-and-mouse game.

Decision... No Contest!
2 pp · Humor, Superhero
Betty Dean (guest-star)
The Terrifying Ghosts from the Unknown!
9 pp · Superhero
Prof. Blair (introduction)Kain (villain, introduction, death)Cara (villain, introduction)
My Friend Gilly
8 pp · Superhero
Henry Entwhistle (introduction)John Jacob Gillgan (a ghost, introduction)Black Mike (villain, introduction)

In "My Friend Gilly," Namor crosses paths with Henry Entwhistle, a quiet boy whose only companion is the vividly imagined Gilly—a small, water-averse figure who rides on his shoulder. When they're ambushed by Black Mike and his crew, Gilly’s fear of water begins to shift, and in the final panel, he speaks, leaving his true nature just out of reach.

Benefit Show for Horror!
6 pp · Superhero
Nails (villain, introduction)

In "Benefit Show for Horror!", the Blonde Phantom finds herself framed during a charity event when a little girl, misled by Nails and his pal, claims the hero wants to turn kids into crooks. The gullible audience demands punishment, but the Blonde Phantom proves her innocence by rescuing the girl’s brother and exposing the real criminals.

The Imp of the Violin!
8 pp · Superhero
Vincent Varl (introduction)Mrs. Varl (introduction)an imp (introduction)Nicola Amati (introduction, flashback)

When jazz musician Vincent Varl is forced to abandon his classical roots for the club scene, his mischievous violin-playing imp proves a thorn in his side—until the rhythm, the lights, and the company start to win it over. A quirky, spirited tale of music, transformation, and the unexpected ways even a demon can fall in love with a new beat.

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $140
CGC 9.8 $24,242*
CGC 9.6 $15,215*
CGC 9.4 $9,764*
CGC 9.2 $6,259*
CGC 9.0 $4,366*
CGC 8.5 $3,610
Show all 22 grades
CGC 8.0 $2,832
CGC 7.5 $1,635
CGC 7.0 $1,582*
CGC 6.5 $1,270
CGC 6.0 $1,201
CGC 5.5 $934
CGC 5.0 $910
CGC 4.5 $762
CGC 4.0 $670*
CGC 3.5 $604*
CGC 3.0 $522*
CGC 2.5 $476
CGC 2.0 $370*
CGC 1.5 $287*
CGC 1.0 $235*
CGC 0.5 $186*
* 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

cover pencils, inks Vince Alascia

Reprints

Reprinted in Marvel Mystery Comics #88 (1949)

Key issues in Marvel Mystery Comics

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