Marvel Super-Heroes #20 CGC 9.0 $1,750.00 1 in stock Buy Now Category: Comic Books Description Description Doctor Doom story. 1st appearance of Valeria. Diablo appearance. Related products Avengers #232 CGC 9.0 $230.00 Buy Now DC Comics Crisis On Infinite Earths #7 CGC 9.8 $190.00 Buy Now Amazing Spider-Man #5 CGC 3.5 $1,295.00 Buy Now Marvel Spotlight #2 CGC 8.0 $1,390.00 Buy Now All purchased items have a 15% Buyer’s Premium added.