Above, the final panels from the Three-Eyes McGurk and His Death Planet Commandos story originally printed in "Dark Star" n. 22-25, published by Dark Star Publishing in 1979-1980. It was reprinted in 1981 in Rip Off Comix n. 8. Art by Curt Vile (a.k.a Alan Moore), story & inks by Pedro Henry (a.k.a Steve Moore).
Below, some iconic panels from Watchmen, issue n.7, cover date March 1987, DC Comics. Art by Dave Gibbons, colours by John Higgins.
You can see the similarities, can't you? :)