 Bernstein and artist George Papp introduced the Phantom Zone and General Zod into the Superman mythos in "Adventure Comics" #283 (April 1961).Later during this period historians and fans call the Silver Age of Comic Books, Bernstein scripted stories of the Archie Comics characters the Fly and the Jaguar, and, with plots by Marvel editor-in-chief Stan Lee, some of the earliest Iron Man and Thor stories, in, respectively "Tales of Suspense" and "Journey into Mystery".He also scripted some Human Torch stories, plotted by penciler Jack Kirby, in "Strange Tales".