The Yellow Mask

A shadowy menace from the earliest days of DC's Golden Age, The Yellow Mask made their debut in Superman #7 in 1940, conjured by the legendary duo of Jerry Siegel and Joe Shuster at the very height of their creative powers. With only a handful of catalog appearances spread across Action Comics, Adventure Comics, and More Fun Comics, this is a rare and elusive figure from comics' most storied era — the kind of villain who haunts the margins of history precisely because they're so hard to pin down. That debut issue carries key-issue status, making it a genuine collector's prize, and the company The Yellow Mask keeps — pages shared with Superman, Clark Kent, The Sandman, and other Golden Age luminaries — speaks to a character woven right into the fabric of DC's founding mythology.