Comic Title: Showcase Presents:Challengers of the Unknown Vol. 2 TPB
Publisher: DC
Cover Date: 2008
On Sale Date: April 30, 2008 Direct Market Date April 23, 2008
Source: Previews, #232

Direct Market Date April 30, 2008
Source: ComicList, New Comic Book Releases List for Wednesday, April 30, 2008

Cover Price: $16.99
Page Count: 528
Editor: Peter Hamboussi

See Also: The Guide to Graphic Novels and Collected Editions

Title: "Four Roads to Doomsday"
Pages: 14

Feature(s):
Challengers of the Unknown (of Earth-1)

Writer: Arnold Drake
Artist: Bob Brown

Reprinted From:
Challengers of the Unknown #29 (1962)

Feature Character(s)

• Challengers of the Unknown (last appearance in Challengers of the Unknown #28; next appearance in Challengers of the Unknown #29)
• Ace Morgan (last appearance in Challengers of the Unknown #28; next appearance in Challengers of the Unknown #29)
• Rocky Davis (last appearance in Challengers of the Unknown #28; next appearance in Challengers of the Unknown #29)
• Red Ryan (last appearance in Challengers of the Unknown #28; next appearance in Challengers of the Unknown #29)
• Prof. Haley (last appearance in Challengers of the Unknown #28; next appearance in Challengers of the Unknown #29)

Villain(s)

• Two alien criminals (Suboko named; one disguised as Dr. Dutro; no further appearances)

Other Character(s)

• A group of alien lawman (no further appearances)
• Dr. Dutro (a geophysicist; no further appearances)

Synopsis:
The Challengers are approached by geophysicist Dr. Dutro and an alien named Suboko to disable four machines which threathen the Earth. The team successfully takes out each machine, but then learns they’ve been duped by alien criminals. The devices created a shield to protect Earth from invasion, so the Challs restore the shield by resetting the devices. Alien lawmen then return to take custody of the criminals.