The Amazing Spider-Man #305 (1988)
“Westward Woe!”
Rating: 4/5
Writer: David Michelinie
Artist: Todd McFarlane
Spider-Man busts in on Prowler and Black Fox and Black Fox gets away with the chalice. Prowler says his wife was wrongly imprisoned and the company she worked for hid the evidence in a chip on a jewel in the chalice. They work together and manage to get the chalice back. Spider-Man lets Black Fox go yet again.