Iron Man (1968 1st Series) #67
"Return of the Freak!" Story by Mike Friedrich. Art by George Tuska and Mike Esposito. Cover by Gil Kane and Mike Esposito.
Eddie March is near death after his heroic effort to stop Dr. Spectrum in the previous issue. Tony Stark and Dr. Don Blake use the enervator to try to save Eddie's life, but the procedure goes awry and Eddie becomes the Freak! Now Iron Man has to stop his friend's rampage!