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Issue: Showcase #12
Publication Date: January 1958
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Disclose Detail
Issues: #12 of 104 Issues (108 Printings)
Title:
Variant: unnamed
Rating: Approved by the Comics Code Authority
Publisher: FlagDC
Brand: Superman DC National ComicsView Brand Images3
Indicia Publisher: National Comics Publications, Inc.
On Sale Date: 11/17/1957
Volume: none
Pages: 36
ISBN: none
UPC/EAN: none
Price: $0.10 USD
Indicia Frequency: Approved by the Comics Code Authority
Content Items: 16 (7 stories, 1 cover)
Editor(s): Whitney Ellsworth (credited); Jack Schiff (actual)
Disclose Notes: Fourth appearance of the Challengers of the Unknown.

On-sale date from copyright registration.
  Does this data need corrections? Become an editor.
Disclose Format
Publication Type: Comic Book
Color: color
Dimensions: standard Silver Age US; then standard Modern Age US
Paper Stock: glossy cover; newsprint interior
Binding: saddle-stitched
Publishing Format: was ongoing series
Format Notes:  
Disclose Reprinted In31
Disclose Reprinted From0
There is currently no data for this Issue being reprinted from anywhere.
Disclose Images2
Cover, Front
Original Artwork
Digital Edition
Adult Image
Title Page
Indicia on this Page
 
 
Cover, Front
Original Artwork
Digital Edition
Adult Image
Title Page
Indicia on this Page
 
 
Assets1
Indicia
 
 
spacer
Disclose Content Items (16 total)
Disclose Issue Images
Menace of the Ancient Vials!

Illustration  on  Cover, Front
Credits
Writer(s): ?
Penciller(s): Jack Kirby
Inker(s): Jack Kirby; Roz Kirby (blacks)
Colorist(s): ?
Letterer(s): Ira Schnapp
Subject Matter
Genres: adventure
Feature(s): Challengers of the Unknown
Character(s): Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]
First Line: Another monstrous creature released from one of those magic bottles!
Reprinting
In Content Item: FlagChallengers of the Unknown #77 published December 1970
as Menace of the Ancient Vials! [Illustration on Cover, Front]
In Content Item: FlagSuper Héros #4 published January 1979
as [untitled] [Illustration on Cover, Front]
In Content Item: FlagThe Essential Showcase 1956-1959 #[nn] published February 1992
as [untitled] [Cover Reprint (on Interior Page) on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown Archives #1 [First Printing] published September 2003
as [Cover - Showcase #12]; Menace of the Ancient Vials [Cover Reprint (on Interior Page) on Interior Page(s)]
In Content Item: FlagShowcase Presents: Challengers of the Unknown #1 published December 2006
as [untitled] [Illustration on Cover, Front]
In Content Item: FlagShowcase Presents: Challengers of the Unknown #1 published December 2006
as Showcase #12 [Cover Reprint (on Interior Page) on Interior Page(s)]
In Content Item: FlagShowcase Presents: Showcase #1 published September 2012
as Showcase #12 [Cover Reprint (on Interior Page) on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: Marvin Stein has stated he did not ink any Challengers stories.
Disclose
Draw Bob Hope!

Advertisement  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Letterer(s): typeset
Subject Matter
Feature(s): Art Instruction, Inc.
Character(s): Bob Hope
First Line: You may win a $375.00 scholarship in professional art
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: Inside front cover.
Disclose
The Menace of the Ancient Vials! Chapter 1

Story  on  Interior Page(s)
Credits
Writer(s): Dave Wood
Penciller(s): Jack Kirby
Inker(s): Leonard Starr ?
Colorist(s): ?
Letterer(s): Artie Simek
Subject Matter
Genres: adventure
Feature(s): Challengers of the Unknown
Character(s): Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]; Amos Hunter; VILLAINS: Brommer; Gortz; Karnak; Kraken
First Line: What was the nature of the strange, unknown forces manipulated by the brilliant minds of...
Synopsis: Karnak and his men land on an island while trying to escape from the Challengers. There they find Amos Hunter and 5 mysterious vials. The first vial makes two members of the gang into giants.
Reprinting
In Content Item: FlagMighty The 100-Page Comic! #4 published March 1958
as The Menace of the Ancient Vials! Chapter 1 [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown #77 published December 1970
as The Menace of the Ancient Vials! [Story on Interior Page(s)]
In Content Item: FlagSuper Héros #4 published January 1979
as Le secret des fioles [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown Archives #1 [First Printing] published September 2003
as Menace of the Ancient Vials [Chapter 1] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Challengers of the Unknown #1 published December 2006
as The Menace of the Ancient Vials! [Chapter 1] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Showcase #1 published September 2012
as The Menace of the Ancient Vials! Chapter 1 [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 6
Disclose
The Kings of Comedy!

Promotional Material (from Publisher)  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Colorist(s): ?
Letterer(s): ?
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Rocket Take-Off...

Story  on  Interior Page(s)
Credits
Writer(s): Mort Drucker
Penciller(s): Mort Drucker
Inker(s): Mort Drucker
Colorist(s): ?
Letterer(s): Mort Drucker
Subject Matter
Genres: non-fiction, science and technology
First Line: At first consideration, it would seem obvious that the most advantageous...
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: Writer and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Disclose
Chapter Two: The Fire Being!

Story  on  Interior Page(s)
Credits
Writer(s): Dave Wood
Penciller(s): Jack Kirby
Inker(s): Leonard Starr ?
Colorist(s): ?
Letterer(s): Artie Simek
Subject Matter
Genres: adventure
Feature(s): Challengers of the Unknown
Character(s): Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]; Karnak; Amos Hunter
First Line: The sorcery that produced giants in the ancient past has unleashed the same phenomenon today.
Synopsis: The next vial releases a fiery salamander that begins to burn down the island.
Reprinting
In Content Item: FlagMighty The 100-Page Comic! #4 published March 1958
as The Menace of the Ancient Vials: Chapter 2: The Fire Being! [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown #77 published December 1970
as Chapter Two: The Fire Being! [Story on Interior Page(s)]
In Content Item: FlagSuper Héros #4 published January 1979
as Le secret des fioles [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown Archives #1 [First Printing] published September 2003
as The Fire Being [Chapter 2] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Challengers of the Unknown #1 published December 2006
as The Fire Being! [Chapter Two] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Showcase #1 published September 2012
as Chapter Two The Fire Being! [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 6
Disclose Notes: Chapter 2.
Disclose
[untitled]

Story  on  Interior Page(s)
Credits
Writer(s): Henry Boltinoff
Penciller(s): Henry Boltinoff (signed)
Inker(s): Henry Boltinoff (signed)
Colorist(s): ?
Letterer(s): Henry Boltinoff
Subject Matter
Genres: humorous
Feature(s): Professor Eureka
Character(s): Professor Eureka
First Line: Professor, your research and development...
Synopsis: Professor Eureka finds a way to continue funding his experiments after the government cuts his budget.
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 2
Disclose
Chapter 3: The Demon from the Depths

Story  on  Interior Page(s)
Credits
Writer(s): Dave Wood
Penciller(s): Jack Kirby
Inker(s): Leonard Starr ?
Colorist(s): ?
Letterer(s): Artie Simek
Subject Matter
Genres: adventure
Feature(s): Challengers of the Unknown
Character(s): Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]; Karnak; Gortz; Amos Hunter
First Line: The greed of desperate men, running wild and unchecked, proves as...
Synopsis: The fiery salamander is defeated but the third vial releases a giant octopus creature.
Reprinting
In Content Item: FlagMighty The 100-Page Comic! #4 published March 1958
as The Menace of the Ancient Vials: Chapter 3: The Demon From the Depths [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown #77 published December 1970
as Chapter Three: The Demon from the Depths! [Story on Interior Page(s)]
In Content Item: FlagSuper Héros #4 published January 1979
as Le secret des fioles [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown Archives #1 [First Printing] published September 2003
as Demon from the Depths [Chapter 3] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Challengers of the Unknown #1 published December 2006
as The Demon from the Depths [Chapter 3] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Showcase #1 published September 2012
as Chapter 3 The Demon From the Depths [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 6
Disclose Notes: Chapter 3.
Disclose
Wanted: A Teen-Age Code

Public Service Announcement  on  Interior Page(s)
Credits
Writer(s): Jack Schiff
Penciller(s): Ruben Moreira
Inker(s): Ruben Moreira
Colorist(s): ?
Letterer(s): Ira Schnapp
Subject Matter
Genres: opinion
Character(s): Dave; Sally Perkins
First Line: Listen, Dave, you know Sally Perkins.
Synopsis: Goaded by peer-pressure, Dave crashes a party that Sally is hosting.
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Day I Climbed Magic Mountain

Text Story  on  Interior Page(s)
Credits
Writer(s): ?
Letterer(s): typeset
Subject Matter
Character(s): John Craven; Hadango
First Line: You won't find the name "Magic Mountain" on any map.
Synopsis: John Craven hires a mountain guide to lead the way to Magic Mountain.
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Chapter 4: The Deadly Duplicates!

Story  on  Interior Page(s)
Credits
Writer(s): Dave Wood
Penciller(s): Jack Kirby
Inker(s): Leonard Starr ?
Colorist(s): ?
Letterer(s): Artie Simek
Subject Matter
Genres: adventure
Feature(s): Challengers of the Unknown
Character(s): Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]; Karnak; Amos Hunter; Dr. Rodney
First Line: Still at grips with another strange and fearful life form, released by the...
Synopsis: The fourth vial turns Karnak into 50 copies of himself.
Reprinting
In Content Item: FlagMighty The 100-Page Comic! #4 published March 1958
as The Menace of the Ancient Vials: Chapter 4: The Deadly Duplicates! [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown #77 published December 1970
as Chapter Four: The Deadly Duplicates! [Story on Interior Page(s)]
In Content Item: FlagSuper Héros #4 published January 1979
as Le secret des fioles [Story on Interior Page(s)]
In Content Item: FlagChallengers of the Unknown Archives #1 [First Printing] published September 2003
as The Deadly Duplicates! [Chapter 4] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Challengers of the Unknown #1 published December 2006
as The Deadly Duplicates! [Chapter 4] [Story on Interior Page(s)]
In Content Item: FlagShowcase Presents: Showcase #1 published September 2012
as Chapter 4 The Deadly Duplicates! [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 6
Disclose Notes: Chapter 4. Feature continued in Challengers of the Unknown (DC, 1958 series) #1.
Disclose
[untitled]

Advertisement  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Colorist(s): ?
Letterer(s): typeset
Subject Matter
Feature(s): Garcelon Stamp Co.
Character(s): Elizabeth II
First Line: Free! Wonderful offer!
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: Ad for stamps and a stamp collector's guide.
Disclose
[untitled]

Advertisement  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Colorist(s): ?
Letterer(s): typeset
Subject Matter
Feature(s): Nutty Putty
First Line: Nutty Putty... real crazy!!!
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 0.5
Disclose
[untitled]

Advertisement  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Colorist(s): ?
Letterer(s): typeset
Subject Matter
Feature(s): 100 Toy Soldiers
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 0.5
Disclose Notes: Ad for plastic toy soldiers and vehicles.
Disclose
[untitled]

Advertisement  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Letterer(s): ?
Subject Matter
Feature(s): Stephens Credit Sales
First Line: Do you want spending money?
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: Inside back cover. Ad to earn money by selling patriotic and religious mottoes.
Disclose
[untitled]

Advertisement  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): ?
Inker(s): ?
Colorist(s): ?
Letterer(s): typeset
Subject Matter
Feature(s): Daisy Air Rifles
First Line: How to get your Daisy Air Rifle for Christmas!
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: Back cover.

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