The World-Destroyers! (Journey Into Mystery #49, Nov 1958)
Matthew Fox was a comic book artist, lithographer, water color painter and etcher. He did pulp magazine art in the 1940s (Weird Tales, Crack Detective, Famous Fantastic Mysteries, Planet Stories) and did comic book art for Atlas/Marvel in the 1950s and 1960s. Fox illustrated mystery and suspense stories for titles like Journey Into Mystery, World of Fantasy, Tales of Suspense and Journey into Unknown Worlds.