It wasn’t just in comic books that the long-running Charles Atlas campaign [in this case, from Captain Marvel Adventures #74 (July 1947)] set up the situation in strip form before making the pitch. © 2021 Charles Atlas Ltd.

Hey, what the heck? In order to sell its Twinkies, Hostess took this Marvel characters ad in Gold Key’s Uncle Scrooge #149 (February 1978). © 2021 Marvel