Marvel Released May 1969

Marvel Super-Heroes #20

Low
$60
Mid
$180
High
$600
Published May 1969
Pages 68

When the trickster known as Diablo appears before Doctor Doom offering an allegiance, Doom is presented with a face from his past that will make him question everything he is, was and could have been.  

Key Facts

  • Iconic cover art by Larry Lieber
  • Solo story featuring Doctor Doom
  • 1st appearance of Valeria, love interest of a teenage Doom