This issue has variants.
The on-sale date is the publication date reported in the U. S. Copyright Office filing.
An earlier indexer provided an on-sale date of November 9. No citation was given, although other indexers speculate that it may come from a listing in the fanzine The Comics Reader.
Marvel Comics Index #8A lists Gaspar Saladino as letterer.
Incorrectly credited to Frank Giacoia on item; Verpoorten credit from Nick Caputo. Credits list Frank Giacoia as inker.
The Swine seems visually inspired by John Lennon.
Letters from Richard A. Buchko Jr., Paul Butler, John McGreevey, Jim Caple, Ann Nichols, and Dee Waltz.