This issue has variants.
The on-sale date is the publication date reported in the U. S. Copyright Office filing.
Verpoorten credit per Nick Caputo, August 2012. Marvel Comics Index #8A lists Frank Giacoia as inker.
The Madbomb Part 2.
Ads for Sons of Origins and The Mighty Marvel Bicentennial Calendar
Kirbyesque art for the Mattel toys
Letters from future author Robert Rodi (as Bob Rodi), future editor Kim Thompson and Kenneth A. Jones.
Marvel Value Stamp Series B #27 "Dracula".
Howard by Gene Colan? and Omega by John Romita?
Announcements for Marvel Premiere #28 (Legion of Monsters), Marvel Spotlight #26 (Sub-Mariner), Howard the Duck #1, Black Goliath #1, Omega the Unknown #1, Strange Tales to reprint Dr. Strange classics, Warlock #9, short stories by Archie Goodwin and Steve Englehart in Weird Heroes, "Magneto and the Titanium Man" by Paul McCartney and the Wings, and the winners of the Shazam awards.
Advertisement for Hostess Twinkies. Featured in January 1976 and February 1976 Marvel comics.