This isn’t going to end well!
Amazing Spider-Man (Vol. 1) #121
Published: c. March, 1973?
Cover Date: June, 1973
“The Night Gwen Stacy Died”
Writer: Gerry Conway
Artist: Gil Kane
Inker: John Romita and Tony Mortellaro
Letterer: Artie Simek
Colorist: Dave Hunt