The on-sale date is the publication date reported in the U. S. Copyright Office filing.
The original indexer listed John Romita as cover artist with possible Gil Kane layouts. Although Romita's name is on the original artwork, Nick Caputo suspects that Romita only provided the cover layout for Keith Pollard, who also made the corrections. Previous indexer credited Mike Esposito with inks. The printed cover was altered, replacing Razorback with Flash Thompson and moving his figure into the background as can be seen here:
Cover is a homage to the story in The Amazing Spider-Man #33 (Marvel, 1962 series).
Includes letters from Robert Rusk, Charles David Haskell, Paul Brodeur and Brian Hemphill.