DC, 1977 Series
 
Cover for Challengers of the Unknown (DC, 1977 series) #81
Issue #81
June-July 1977
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Cover for Challengers of the Unknown (DC, 1977 series) #82
Issue #82
August-September 1977
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Cover for Challengers of the Unknown (DC, 1977 series) #83
Issue #83
October-November 1977
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Cover for Challengers of the Unknown (DC, 1977 series) #84
Issue #84
December-January 1978
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Cover for Challengers of the Unknown (DC, 1977 series) #85
Issue #85
February-March 1978
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Cover for Challengers of the Unknown (DC, 1977 series) #86
Issue #86
April-May 1978
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Cover for Challengers of the Unknown (DC, 1977 series) #87
Issue #87
June-July 1978
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