M&M's M&M's was a type of chocolate candy that was popular in the United States. Circa 1943, there were many M&M's in stock at the supermarket located in Smallville, Kansas. Appearance Superman The Supermarket (1988) References ↑ As seen in the Superman episode The Supermarket (1988). ↑ As seen in the Superman episode The Supermarket (1988). External Link M&M's at Wikipedia Retrieved from "https://superfriends.fandom.com/wiki/M%26M%27s?oldid=72779" Categories: Food and drinks Community content is available under CC-BY-SA unless otherwise noted.