Challengers of the Unknown

Pilot Ace Morgan, wrestler Rocky Davis, acrobat Red Ryan and professional diver Professor Haley were strangers en route to an appearance on the “Heroes” radio show. There they were to be honored for their individual acts of heroism. On the way there, however, their plane was caught in a violent storm and crashed. The four miraculously survived, but they were changed by the experience. They felt they were living on borrowed time and decided to take on all life’s challenges for as long as it lasted. Thus the four strangers became the Challengers of the Unknown, fearless adventurers dedicated to exploring the edges of existence.

The group first debuted in Showcase #6, later going on to star in this long-lived series which ran on-and-off from 1958 to 1978.

Jump to issue:

#4

Nov 1958

Cover: $0.10

W: Jack Kirby, Henry Boltinoff, Jack Schiff · A: Jack Kirby, Henry Boltinoff, Win Mortimer

Oct-Nov issue

1 copy for $48.00
#10

Nov 1959

Cover: $0.10

W: France Edward Herron · A: Bob Brown

1 copy for $57.00
#15

Sep 1960

Cover: $0.10

A: Bob Brown

1 copy for $17.00
#18

Mar 1961

Cover: $0.10

A: Henry Boltinoff

1st Appearance of Cosmo (Challengers of the Unknown’s Pet)

1 copy for $80.00
#21

Sep 1961

Cover: $0.10

A: Bob Brown, Henry Boltinoff

1 copy for $27.00
#24

Mar 1962

Cover: $0.12

W: Arnold Drake, Henry Boltinoff · A: Bob Brown, Henry Boltinoff

1 copy for $34.00
#30

Mar 1963

Cover: $0.12

1 copy for $15.00
#33

Sep 1963

Cover: $0.12

A: Bob Brown

Aug-Sep issue

1 copy for $5.98
#35

Jan 1964

Cover: $0.12

W: Arnold Drake, Henry Boltinoff · A: Bob Brown, Henry Boltinoff

2 copies from $7.00
#36

Mar 1964

Cover: $0.12

W: Henry Boltinoff · A: Bob Brown, Henry Boltinoff

1 copy for $7.00
#37

May 1964

Cover: $0.12

W: Arnold Drake, Ed Herron, Henry Boltinoff · A: Bob Brown, Henry Boltinoff

1 copy for $20.00
#38

Jul 1964

Cover: $0.12

W: Jack Schiff, Arnold Drake, Henry Boltinoff, Ed Herron · A: Sheldon Moldoff, Bob Brown, Henry Boltinoff

1 copy for $12.98
#39

Sep 1964

Cover: $0.12

A: Bob Brown

3 copies from $5.28
#43

May 1965

Cover: $0.12

W: Henry Boltinoff · A: Henry Boltinoff

1 copy for $3.00
#50

Jul 1966

Cover: $0.12

W: France Edward Herron · A: Bob Brown

1st Appearance of Villo

1 copy for $4.50
#51

Sep 1966

Cover: $0.12

W: Bill Finger · A: Bob Brown

Versus Sponge Man

1 copy for $10.00
#53

Jan 1967

Cover: $0.12

W: France Edward Herron · A: Bob Brown

2 copies from $2.50
#54

Mar 1967

Cover: $0.12

W: France Edward Herron · A: Bob Brown

1 copy for $37.00
#55

May 1967

Cover: $0.12

W: Arnold Drake, Henry Boltinoff · A: Bob Brown, Henry Boltinoff

1st Appearance of Tino Manarry; Death of Red Ryan; Apr-May issue

4 copies from $9.00
#56

Jul 1967

Cover: $0.12

W: Arnold Drake · A: Bob Brown

1 copy for $20.00
#59

Jan 1968

Cover: $0.12

W: Arnold Drake, Henry Boltinoff · A: Bob Brown, Henry Boltinoff

3 copies from $7.50
#61

May 1968

Cover: $0.12

W: Arnold Drake · A: Bob Brown

2 copies from $7.00
#62

Jul 1968

Cover: $0.12

W: Arnold Drake · A: Bob Brown

1 copy for $19.98
#63

Sep 1968

Cover: $0.12

W: Arnold Drake · A: Bob Brown, Jack Abel

Irene Vartanoff L.O.C.

1 copy for $5.95
#64

Nov 1968

Cover: $0.12

W: Robert Kanigher · A: Jack Sparling, Jack Kirby

Reprints from Showcase #6; Origin of Challengers of the Unknown

1 copy for $15.00
#66

Mar 1969

Cover: $0.12

W: Mike Friedrich, Morris Waldinger · A: Jack Sparling, Morris Waldinger

Reprints from Hopalong Cassidy #93 (Sep 1954) and House of Secrets #12 (Sep 1958); Feb-Mar issue

2 copies from $13.50
#67

May 1969

Cover: $0.12

W: Robert Kanigher · A: Jack Sparling

2 copies from $5.50
#68

Jul 1969

Cover: $0.12

W: Dennis O’Neil · A: Jack Sparling, Vince Colletta

1 copy for $5.25
#69

Sep 1969

Cover: $0.15

W: Dennis O’Neil · A: Jack Sparling

1st Appearance of Corinna; 1st appearance of Corinna Stark; Tony Isabella L.O.C.

1 copy for $12.00
#72

Mar 1970

Cover: $0.15

W: Dennis O’Neil, Dave Wood · A: Dick Dillin, Frank Giacoia, Lee Elias

Feb-Mar issue

1 copy for $2.75
#74

Jul 1970

Cover: $0.15

W: Dennis O’Neil, Murray Boltinoff · A: George Tuska, Neal Adams, Henry Boltinoff, Bernie Wrightson

4 copies from $3.81
#75

Sep 1970

Cover: $0.15

A: Jack Kirby, George Tuska

Reprints from Showcase #7 (Mar-Apr 1957); Versus Ultivac; Aug-Sep issue; Reprint with new framing pages

2 copies from $8.16
#76

Nov 1970

Cover: $0.15

W: Henry Boltinoff · A: Jack Kirby, Henry Boltinoff

Reprints from Challengers of the Unknown #2 (Jun-Jul 1958), #3 (Aug-Sep 1958), and House of Mystery #46 (Jan 1956); Oct-Nov issue

3 copies from $6.00
#77

Jan 1971

Cover: $0.15

A: Jack Kirby

Reprints from Showcase #12

2 copies from $17.98
#78

Feb 1973

Cover: $0.20

W: France Edward Herron · A: Jack Kirby

Reprints from Challengers of the Unknown #6 & #7

3 copies from $3.75
#79

Apr 1973

Cover: $0.20

W: Jack Kirby, Dave Wood · A: Jack Kirby

Reprints from Challengers of the Unknown #1 (Apr-May 1958) and #2 (Jun-Jul 1958); Mar-Apr issue

3 copies from $4.80
#80

Jul 1973

Cover: $0.20

W: Jack Kirby, Dave Wood · A: Jack Kirby, Nick Cardy

Series goes on hiatus for four years until #81 (Jul 1977); Reprints from Showcase #11 (Nov-Dec 1957); Jun-Jul issue

6 copies from $3.60
#81

Jul 1977

Cover: $0.35

W: Gerry Conway · A: Mike Nasser

Versus Multi-Man

11 copies from $3.50
#82

Sep 1977

Cover: $0.35

W: Gerry Conway · A: Mike Nasser

7 copies from $4.50
#83

Nov 1977

Cover: $0.35

W: Gerry Conway · A: Keith Giffen

7 copies from $2.75
#84

Jan 1978

Cover: $0.35

W: Gerry Conway · A: Keith Giffen, John Celardo

7 copies from $4.75
#85

Mar 1978

Cover: $0.35

W: Gerry Conway · A: Keith Giffen, John Celardo

5 copies from $5.25
#86

May 1978

Cover: $0.35

W: Gerry Conway · A: Keith Giffen

8 copies from $3.50
#87

Jul 1978

Cover: $0.35

W: Gerry Conway, Carla Conway · A: Keith Giffen

Final Issue

4 copies from $9.98