In Foom issues 6 and 7 (circa 1974), we were treated to a series of pin-ups from a new artist who had joined the ranks of Marveldom: Dave Cockrum! These nifty pin-ups featured the Avengers. I think they showcase these classic Marvel characters well, and Cockrum's artwork is top-notch.
Thor and Iron Man. Buddies, way before Clor!
Captain America and the Vision.
Scarlet Witch and Quicksilver.
Clint Barton as Hawkeye, Clint Barton as Giant-Man. Black Widow.
Mantis and Swordsman. Cockrum was very familiar with these characters--he had drawn Giant-Size Avengers #2 the issue that featured the death of the Swordsman. Nuff said.