Challengers of the Unknown (1958 DC 1st Series) Mark Jewelers comic books

Mark Jeweler Advertisement Insert Variant. First 20-cent issue. Cover by Jack Kirby. Challengers reprints: "The Isle of No Return" (from issue 7), script by Jack Kirby and Ed Herron, pencils by Jack Kirby, inks by Wally Wood; After hearing a television report about a burglar with the ability to walk through walls, the Challengers patrol the city with honorary member June Robbins accompanying them; They arrive too late to stop another robbery but pursue the thief, Anton Zammer, to his hideout, an abandoned laboratory owned by the late Prof. Macon, who left behind a number of inventions Zammer intends to use for his own gain. "The Sorceress of Forbidden Valley" (from issue 6), script by Jack Kirby and Ed Herron, pencils by Jack Kirby, inks by Wally Wood; June Robbins crash-lands on an uncharted island and finds an Aladdin's lamp in a cave; Lighting it creates fumes that overpower her; The Challengers track June down, discovering a hidden valley where they are attacked. 36 pages, full color. Cover price $0.20.

Mark Jeweler Advertisement Insert Variant. Cover by Joe Kubert. Challengers reprints: "The Monster Maker" (from issue 2), pencils by Jack Kirby; The Challengers pursue Roc, a would-be conqueror; Using "mind over matter," Roc runs them off by mentally conjuring a giant ape and missile; Fighting fire with fire, the scientist who created the mind-over-matter machine gives Ace similar powers; They battle with a conjured dragon, knight, giant vacuum cleaner, mirrors, and more. "The Human Pets" (from issue 1), pencils by Jack Kirby; An alien boy collects "animals." Half-page Kirby biography. 36 pages, full color. Cover price $0.20.

Add to cart VG 4.0 $5.40

Mark Jeweler Advertisement Insert Variant. Last 20-cent cover price (the next issue will not appear for another four years). Cover by Nick Cardy. "The Day The Earth Blew Up" (Reprint from Showcase 11), script by Dave Wood, pencils by Jack Kirby; At the Pentagon, Navy officers and scientists are stumped; Two scientists mysteriously disappeared in Antarctica; They call in "men capable of handling the unknown"; Ace, Rocky, and Red fly off, picking up Prof along the way; Off New Guinea, Prof is astounded to find a volcano rising from the sea bed; In the Antarctic, the Challengers snow-tractor toward the mystery spot; The tractor bogs in a snowstorm and needs repairs; Ace and Rocky explore and fall through thin ice!; They land on a futuristic bridge; Above, Prof and Red are captured by skinny orange aliens in bubble-suits. 36 pages, full color. Cover price $0.20.

Add to cart Very Good $8.00

Mark Jeweler Advertisement Insert Variant. First 35-cent cover price. New stories begin again: "Multi-Man's Master Plan." Script by Gerry Conway, pencils by Mike Nasser, inks by Bob Wiacek. Nasser/Neal Adams inks. Cover price $0.20.

Add to cart GD/VG 3.0 $5.60

Mark Jeweler Advertisement Insert Variant. Brief Swamp Thing appearance in "The Lurker Below." Script by Gerry Conway, pencils by Mike Nasser, inks by Joe Rubinstein. One-page Nasser biography. Nasser/Rubinstein cover. Cover price $0.20.

Add to cart FN 6.0 $5.60 View scan

Add to cart Good $4.00

Add to cart GD 2.0 $4.00

Mark Jeweler Advertisement Insert Variant. Brief Swamp Thing appearance in "Seven Doorways to Destiny!" Script by Gerry Conway, pencils by Keith Giffen, inks by John Celardo. Rich Buckler/Joe Rubinstein cover. Cover price $0.35.

Mark Jeweler Advertisement Insert Variant. Swamp Thing and Deadman guest star in "To Save a Monster." Script by Gerry Conway, pencils by Keith Giffen, inks by John Celardo. Artist profile on Bob Layton. Rich Buckler/Joe Rubinstein cover. Cover price $0.35.

Mark Jeweler Advertisement Insert Variant. "The Creature from the End of Time!" Continued from last issue; continues next issue. Guest Starring Deadman and Swamp Thing. Written by Gerry Conway, with art by Keith Giffen and John Celardo. Cover by Rich Buckler and Jack Abel. Cover price $0.35.