Iron Man #136

In "The Beginning of the Endotherm!", Iron Man faces a chilling new threat in the form of Endotherm, a villain whose ability to absorb heat and unleash freezing blasts puts the armored hero on the defensive. Written by David Michelinie and Peter John Palmer, with art by Alan Weiss, Bob Wiacek, and Bob Budiansky, and a cover by Bob Layton, this 1980 Marvel classic delivers a frosty showdown with a unique adversary.