Low $12
 | 
Mid $50
 | 
High $140
  • 1st cameo appearance of Ultron as the Crimson Cowl
  • New Masters of Evil roster led by Ultron: Whirlwind, Klaw, Melter, Radioactive Man
  • 2nd appearance of Dane Whitman as The Black Knight
Details
Publisher Marvel
Published July 1968
Written By Roy Thomas
Illustrated By John Buscema