Ben Urich is closer to the answer than he thinks!
Spectacular Spider-Man (Vol. 1) #225
Published: c. April, 1995?
Cover Date: June, 1995
“He Was Such a Nice Boy…”
Writer: Tom DeFalco
Artist: Sal Buscema
Inker: Jimmy Palmiotti
Letterer: Dave Sharpe
Colorist: John Kalisz
Of course, he’d later put two and two together! Urich has quite a habit of working stuff like that out, if everyone in the Marvel Universe had his competence, secret identities would be useless.
Ah good old, Ben. Can figure out Daredevil without trying and can’t figure out Peter starring him in the face. Also, look Angela Yin. Remember her?