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 February 8. No citation was given, although other indexers speculate that it may come from a listing in the fanzine The Comics Reader.
Verpoorten and Crespi credits per Nick Caputo, August 2012. Marvel Comics Index #8A lists Frank Giacoia as inker and Gaspar Saladino as letterer.
Giacoia inks on story pages 1-3,5,8,15-16; remainder inked by John Verpoorten. Info per Nick Caputo, August 2012.
Letters from readers Bob Fitschen, Charlie Cockett, Mitch Paul, Keith Floyd, Don Jacobson, and Robert Konior.
The usual "Marvel Bullpen Bulletins" header is missing; Stan Lee's Soapbox; Items.