This issue is from November 1973 featuring "Metamorphosis! by Jim Starlin. Graded in F/VF due to light wear. It DOES have the Mark Jewelers centerfold attached at both staples. Scans are of the actual comic.
Iron Man March, 1976 Gil Kane Cover Art Iron Man flies the enervator to the hospital, knowing that it has turned Happy into the Freak in the past but hoping that by exposing Happy to its effects he will heal