if charlie parker was a gunslinger,there'd be a whole lot of dead copycats: The Art of the Panel: Marvel #1

from Guns Roar in Gila Pass; Ch. 1: How It Began
(by Stan Lee and Jack Keller)
(Kid Colt Outlaw, #99; July, 1961)

if charlie parker was a gunslinger,
there'd be a whole lot of dead copycats