Wow! Another fabulous piece of original art by the great John Romita sr.! Here is the b/w art for the 1979 Fireside book, MIGHTY MARVEL TEAM-UP THRILLERS! Used as the back cover, here is Romita showing his masterful rendering on Spidey, Iron Man, Thor, Hulk, the X-Men, Red Sonja, and all the Bronze Age Marvel greats! Click to enlarge!