Sydney Shores was an American comic book artist known for his work on Captain America both during the 1940s, in what fans and historians call the Golden Age of comic books, and during the 1960s Silver Age of comic books.

Marvel Mystery Comics is an American comic book series published during the 1930s–1940s period known to fans and historians as the Golden Age of Comic Books. It was the first publication of Marvel Comics' predecessor, Timely Comics, a division of Timely Publications.