The Avengers #40 – Suddenly… The Sub-Mariner released by Marvel on May 1, 1967.
Writer(s)
Roy Thomas
Penciler(s)
Don Heck
Inker(s)
George Bell
Colorist(s)
Uncredited
Letterer(s)
Sam Rosen
Editor(s)
Stan Lee
Publisher
Marvel Comics
Avengers #40 (Marvel)
