- Script
- Len Wein (credited) (plot); Roger Slifer (credited) (script)
- Pencils
- Herb Trimpe (credited) (breakdowns); John Tartaglione (credited as John Tartag) (finished art)
- Inks
- John Tartaglione (credited as John Tartag); Marie Severin (touch-ups on a few faces)
- Colors
- Petra Goldberg (credited as Petra G.)
- Letters
- John Costanza (credited as J. Costanza)
- Job Number
- JV166
- Genre
- superhero
- Characters
- Iron Man [Tony Stark]; Pepper Potts; Dr. Ritter; Michael O'Brien; The Freak [Happy Hogan] (villain)
- Synopsis
- To save Happy's life, Iron Man brings his Enervator invention to the hospital, but, once again, it turns his best friend into the Freak, who begins a dangerous rampage through New York.
- Reprints
- Keywords
- Enervator
Happy Hogan was previously transformed into the Freak in Tales of Suspense (Marvel, 1959 series) #74 and Iron Man (Marvel, 1968 series) #3.
- Script
- ?
- Pencils
- ? (logo illustration)
- Inks
- ? (logo illustration)
- Colors
- ? (logo illustration)
- Letters
- typeset
Letters from Kevin Martin and Brian Nelson.