Marvel Super-Heroes (1967) #20

Published May 1, 1969

Beware the fists of DOOM!

Stories

penciler Larry Lieber

penciler Frank Giacoia

letterer Sam Rosen

writer Roy Thomas

cover artist Vince Colletta

Marvel Super-Heroes (1967) #12

Dec 1967

Marvel Super-Heroes (1967) #13

Mar 1968

Marvel Super-Heroes (1967) #14

May 1968

Marvel Super-Heroes (1967) #15

Jul 1968

Marvel Super-Heroes (1967) #16

Sep 1968

Marvel Super-Heroes (1967) #17

Nov 1968