Challengers of the Unknown

    (DC, 1958-1973, 1977-1978)
™ and © DC Comics, Inc.

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.
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  • 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
  • 28
    Nov 1962
    Cover: $0.12
    A: Henry Boltinoff
    1 copy for $14.00
  • 30
    Mar 1963
    Cover: $0.12
    2 copies from $9.00
  • 32
    Jul 1963
    Cover: $0.12
    W: France Edward Herron, Henry Boltinoff, Jack Schiff, Arnold Drake  ·  A: Bob Brown, Henry Boltinoff, Arnold Drake
    Jun-Jul issue
    1 copy for $9.00
  • 33
    Sep 1963
    Cover: $0.12
    A: Bob Brown
    Aug-Sep issue
    2 copies from $5.98
  • 34
    Nov 1963
    Cover: $0.12
    W: Henry Boltinoff  ·  A: Henry Boltinoff
    1st Appearance of Multi-Woman; Origin of Multi-Woman
    1 copy for $9.00
  • 35
    Jan 1964
    Cover: $0.12
    W: Arnold Drake, Henry Boltinoff  ·  A: Bob Brown, Henry Boltinoff
    3 copies from $7.00
  • 36
    Mar 1964
    Cover: $0.12
    W: Henry Boltinoff  ·  A: Bob Brown, Henry Boltinoff
    2 copies from $7.00
  • 37
    May 1964
    Cover: $0.12
    W: Arnold Drake, Ed Herron, Henry Boltinoff  ·  A: Bob Brown, Henry Boltinoff
    2 copies from $15.00
  • 38
    Jul 1964
    Cover: $0.12
    W: Jack Schiff, Arnold Drake, Henry Boltinoff, Ed Herron  ·  A: Sheldon Moldoff, Bob Brown, Henry Boltinoff
    2 copies from $10.00
  • 39
    Sep 1964
    Cover: $0.12
    A: Bob Brown
    3 copies from $5.28
  • 40
    Nov 1964
    Cover: $0.12
    W: France Edward Herron, Arnold Drake, Jack Schiff, Henry Boltinoff  ·  A: Bob Brown, Sheldon Moldoff, Henry Boltinoff
    Versus Multi-Man; Oct-Nov issue
    1 copy for $9.00
  • 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
    2 copies from $10.00
  • 52
    Nov 1966
    Cover: $0.12
    W: France Edward Herron  ·  A: Bob Brown
    1 copy for $17.00
  • 53
    Jan 1967
    Cover: $0.12
    W: France Edward Herron  ·  A: Bob Brown
    3 copies from $2.50
  • 54
    Mar 1967
    Cover: $0.12
    W: France Edward Herron  ·  A: Bob Brown
    2 copies from $9.00
  • 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
    5 copies from $9.00
  • 56
    Jul 1967
    Cover: $0.12
    W: Arnold Drake  ·  A: Bob Brown
    2 copies from $8.50
  • 57
    Sep 1967
    Cover: $0.12
    W: Arnold Drake  ·  A: Bob Brown
    Aug-Sep issue
    1 copy for $9.00
  • 58
    Nov 1967
    Cover: $0.12
    W: Arnold Drake  ·  A: Bob Brown
    Versus Neutro
    2 copies from $3.00
  • 59
    Jan 1968
    Cover: $0.12
    W: Arnold Drake, Henry Boltinoff  ·  A: Bob Brown, Henry Boltinoff
    4 copies from $7.50
  • 61
    May 1968
    Cover: $0.12
    W: Arnold Drake  ·  A: Bob Brown
    1 copy for $19.98
  • 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.
    3 copies from $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
    2 copies from $3.75
  • 65
    Jan 1969
    Cover: $0.12
    W: Robert Kanigher  ·  A: Jack Sparling, Jack Kirby
    Reprints origin of Challengers of the Unknown; Dec-Jan issue; Reprint from Showcase #6 (Jan-Feb)
    1 copy for $6.00
  • 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
    3 copies from $6.00
  • 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.
    2 copies from $8.00
  • 70
    Nov 1969
    Cover: $0.15
    W: Dennis O’Neil  ·  A: Jack Sparling
    Oct-Nov issue
    1 copy for $300.00
  • 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 $2.37
  • 73
    May 1970
    Cover: $0.15
    W: Dennis O’Neil, Murray Boltinoff  ·  A: George Tuska, Dick Dillin
    1 copy for $4.75
  • 74
    Jul 1970
    Cover: $0.15
    W: Dennis O’Neil, Murray Boltinoff  ·  A: George Tuska, Neal Adams, Henry Boltinoff, Bernie Wrightson
    5 copies from $3.87
  • 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
    3 copies from $5.25
  • 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
    4 copies from $4.50
  • 77
    Jan 1971
    Cover: $0.15
    A: Jack Kirby
    Reprints from Showcase #12
    3 copies from $7.50
  • 78
    Feb 1973
    Cover: $0.20
    W: France Edward Herron  ·  A: Jack Kirby
    Reprints from Challengers of the Unknown #6 & #7
    5 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 $3.25
  • 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
    8 copies from $3.60
  • 81
    Jul 1977
    Cover: $0.35
    W: Gerry Conway  ·  A: Mike Nasser
    Versus Multi-Man
    12 copies from $3.50
  • 82
    Sep 1977
    Cover: $0.35
    W: Gerry Conway  ·  A: Mike Nasser
    6 copies from $4.50
  • 83
    Nov 1977
    Cover: $0.35
    W: Gerry Conway  ·  A: Keith Giffen
    8 copies from $2.75
  • 84
    Jan 1978
    Cover: $0.35
    W: Gerry Conway  ·  A: Keith Giffen, John Celardo
    6 copies from $4.75
  • 85
    Mar 1978
    Cover: $0.35
    W: Gerry Conway  ·  A: Keith Giffen, John Celardo
    5 copies from $3.89
  • 86
    May 1978
    Cover: $0.35
    W: Gerry Conway  ·  A: Keith Giffen
    10 copies from $3.50
  • 87
    Jul 1978
    Cover: $0.35
    W: Gerry Conway, Carla Conway  ·  A: Keith Giffen
    Final Issue
    6 copies from $5.25