Issue 1
Challengers of the Unknown (1996-) #1
The Challengers are called to Harvest, Wyoming, to investigate a string of mysterious disappearances dating back to the 19th century. The locals are hostile, and the Challengers end up in a brawl. A dour man named Saxon contends the unknown should stay unknown.
Issue 2
Challengers of the Unknown (1996-) #2
The Challengers appear on Nina Justis's talk show. Justis became famous as an alien abductee—but the Challengers show photos of her "abducted" in Aruba while vacationing!
Issue 3
Challengers of the Unknown (1996-) #3
The Challengers fly to Dayton, Ohio, to investigate a corpse turned literally inside-out.
Issue 4
Challengers of the Unknown (1996-) #4
The secret origin of the new Challengers of the Unknown! The Challengers' mysterious past is uncovered by Nina Justis, a huckster who specializes in the paranormal.
Issue 5
Challengers of the Unknown (1996-) #5
The Challengers are called to a grisly family murder...committed by a child! Plus, Clay Brody goes on a sudden and mysterious rampage!
Issue 6
Challengers of the Unknown (1996-) #6
The Challengers respond to a desperate call from all corners of the Earth: people are "blanking out," lapsing into comas at the same exact moment all over the world!
Issue 7
Challengers of the Unknown (1996-) #7
Clay, Brenda, Marlon and Kenn investigate incidents where aircraft disappear and reappear in an instant.
Issue 8
Challengers of the Unknown (1996-) #8
Side by side, Challengers old and new must face the most mind-boggling unknown yet—and this time the unknown may win!
Issue 9
Challengers of the Unknown (1996-) #9
Challengers old and new battle the unknown side by side! What is the final fate of the original Challenger team, and will they take their successors with them?
Issue 10
Challengers of the Unknown (1996-) #10
A new city is blooming in the desert. It's designed of radical new materials and will be crime- and pollution-free except people keep going mad and seeing ghosts…
Issue 11
Challengers of the Unknown (1996-) #11
The Challengers' benefactor, Edward Sands, has mysteriously gone to Gotham City, where weird things are happening.
Issue 12
Challengers of the Unknown (1996-) #12
The Challengers and Batman are cast adrift in time by Sands' old friend Paul Hemmings.
Issue 13
Challengers of the Unknown (1996-) #13
When a Banshee predicts the death of an unborn child, will Marlon have to make the ultimate sacrifice?
Issue 14
Challengers of the Unknown (1996-) #14
The Challengers look into an offshore oil rig that is pumping up anything but oil! Dredging the depths of the sea has unleashed an ancient terror that threatens the lives of everyone on the rig—and the world!
Issue 15
Challengers of the Unknown (1996-) #15
The Challengers investigate an event stranger than any they've encountered to date as a thousand-foot-tall giant rises from the ocean depths!
Issue 16
Challengers of the Unknown (1996-) #16
The original Challengers mix it up with aliens, planet-destroying weapons, and cosmic gods.
Issue 17
Challengers of the Unknown (1996-) #17
The Challengers travel to Idaho to investigate a series of disappearances from a survivalist group.
Issue 18
Challengers of the Unknown (1996-) #18
Final Issue! Saxon, the man committed to destroying the Challengers, returns from death once again, and this time he's learned secrets that no human should ever know!