That explanation will have to wait until another time.
Amazing Spider-Man (Vol. 1) #257
Published: c. July, 1984?
Cover Date: October, 1984
“Beware the Claws of Puma!”
Writer: Tom DeFalco
Artist: Ron Frenz
Inker: Joe Rubinstein
Letterer: Joe Rosen
Colorist: Christie Scheele