Joe Simon. Writer: Avengers: Endgame. Joe Simon was a comic book writer and artist. He is better known as the first editor of Timely Comics (later renamed to Marvel Comics) and the co-creator of Captain America. In 1913, Simon was born to a Jewish-American family in Rochester, New York. His father was tailor Harry Simon was from the city of Leeds, England. Harry had immigrated to the United States in 1905....