Home › The Avengers › #40
Cover: Don Heck & George Roussos
The Avengers #40
“Suddenly... the Sub-Mariner!”
In "Suddenly... the Sub-Mariner!", the Avengers find themselves in a shocking clash with the enigmatic Sub-Mariner, as a mysterious Cosmic Cube becomes the center of a high-stakes conflict. Written by Roy Thomas and brought to life by Don Heck’s dynamic pencils and George Roussos’s bold inks, this 1967 issue delivers a tense, pivotal moment in the team’s early history—complete with a cover by Heck that captures the intensity of the showdown.
Was this helpful and accurate? Thanks — we'll take a look.
penciller, cover Don Heck · inker George Roussos · writer Roy Thomas · letterer Sam Rosen · editor Stan Lee · cover Don Heck, George Roussos
Sell my copy
Have this issue — or a whole collection? Get a fair offer from us, skip the marketplace fees and the hassle.
We Buy Collections ▸Fast, fair offers · we handle grading & shipping
Cast · 21 characters
Full credits
penciller, cover Don Heck
inker George Roussos
writer Roy Thomas
letterer Sam Rosen
editor Stan Lee
cover pencils, inks Don Heck
cover inks George Roussos