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Action Comics #20 cover
Cover: Joe Shuster

Action Comics #20

Jan 1940 · DC · 0.10 USD
📊 ~48,324 copies sold its debut month
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Contains 8 stories
Superman and the Screen Siren
12.88 pp · Superhero

In "Superman and the Screen Siren," Clark Kent’s chance encounter with actress Dolores Winters takes a strange turn when her planned interview collapses and she vanishes with a group of wealthy hostages. Superman steps in to stop her, only to uncover a shocking truth: the mind of the villain Ultra has taken over her body.

Untitled Humor story
0.67 pp · Humor, Children
At the Air Show
6 pp · Adventure, Sports
Jimmy Dee, the Racing Pilot

In "At the Air Show," Pep—home on vacation and playing baseball for his hometown team—finds himself in the middle of a high-stakes emergency when a plane crash-lands on the field. After pulling the pilot, Dee, to safety, Pep is invited to join him at the Air Races as his mechanic, launching an unlikely partnership. When mobsters attempt to disrupt the event, Pep’s quick thinking and courage prove vital—though how he’ll navigate the challenges ahead remains to be seen.

Murder in Rattlesnake Canyon
4 pp · Adventure, Western-Frontier
Ned Squires
The Ivory Safari, Part 2
6 pp · Adventure
"Wolf" Lupo (villain)

In "The Ivory Safari, Part 2," Clip leads a group of natives transporting ivory to the coast, facing repeated attacks along the way. When cornered by Wolf Lupo’s men and moments from death, Clip plays a final tune on his harmonica—unaware that the tribe of cannibals he once gifted harmonicas to is nearby and drawn by the music. The story unfolds with tension and unexpected turns, as Clip’s past kindness becomes his salvation.

The Zombies [Part 2]
10 pp · Adventure
Bart Barryless

In "The Zombies [Part 2]," Tex, Bob, and Gargantua—once mindless under a sinister chemical's grip—fight back against their captors using the antidote they'd secretly saved. As the tribal chief prepares to roast Tex alive, the restored "zombies" rise as one, breaking free to reclaim their strength and turn the tide.

Aerial Survey
6 pp · Adventure, Aviation
Tony McCrea (heroine)
The Moon Men
11 pp · Adventure, Superhero
the Prime Minister of EnglandNala of the Moon Race

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $496
CGC 9.0 · 1 in census $23,400*
CGC 8.5 none in existence
CGC 8.0 · 1 in census $12,814*
CGC 7.5 · 2 in census $12,465*
CGC 7.0 · 3 in census $5,158
CGC 6.5 · 1 in census $5,158*
Show all 18 grades
CGC 6.0 $4,141
CGC 5.5 · 1 in census $4,141
CGC 5.0 · 3 in census $4,141*
CGC 4.5 · 6 in census $4,141*
CGC 4.0 · 6 in census $3,998
CGC 3.5 · 5 in census $3,319
CGC 3.0 · 3 in census $2,595
CGC 2.5 · 7 in census $2,552
CGC 2.0 · 4 in census $2,365
CGC 1.5 · 5 in census $1,479
CGC 1.0 · 2 in census $1,385*
CGC 0.5 · 6 in census $1,385
* 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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Cast · 14 characters

Full credits

writer Ken Fitch
artist, inker, letterer Bernard Baily
cover pencils, inks Joe Shuster

Reprints

↩ Reprints Superman #3 (1940)

Reprinted in Superman in Action Comics #1 (1993), Superman: The Action Comics Archives #1 (1998), Clásicos DC #6 (2005), The Superman Chronicles #2 (2007), Superman: The Golden Age Omnibus #1 (2013), Superman: The Golden Age #2 (2017), DC Finest: Superman: The First Superhero #[nn] (2025)

Key issues in Action Comics

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