The first issue included Bill Everett's original eight-page Sub-Mariner origin story, which was expanded by four pages when it eventually saw print in "Marvel Comics" #1 (Oct. 1939) – the first publication of Marvel Comics' Golden Age predecessor, Timely Comics, the contents for which were supplied by Funnies, Inc. The final panel on page 8 contained a box reading "Continued Next Week", as well as a notation indicating an April 1939 date for the art. The box remained, sans words and colored in, when reprinted as part of the 12-page story in "Marvel Comics" #1 (Oct. 1939), and reprinted as the original eight-page story in Marvel's "The Invaders" #20 (Sept. 1977). As historian Les Daniels writes,