Painting based on the cover to G.I. Joe, A Real American Hero (Marvel, 1982 series) #1 (June 1982)
Joe character Shooter named as in-house joke for then-EIC Jim Shooter, but later made into real Joe by writer/creator Larry Hama in G.I. Joe Declassified (Devil's Due Publishing, 2006 series) #'s 1-3.