Hammerhead appears in 10 issues in this volume.
They Call The Doctor...Octopus!
June 1, 1978
July 1, 1978
August 1, 1978
September 1, 1979
My Uncle...My Enemy?
October 1, 1979
The Man's Name Appears To Be...Mysterio
August 1, 1980
The Ghost That Haunted Octopus
December 1, 1981
Hammerhead Is Out
January 1, 1982
Arm-in-Arm-in-Arm-in-Arm-in-Arm-in-Arm With Doctor Octopus
February 1, 1982
The Lords of Light and Darkness!
April 1, 1990
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