Low $10
 | 
Mid $30
 | 
High $120
  • 1st appearance of Whiplash
  • 1st meeting of Captain America and Black Panther
  • 1st cameo appearance of Madame Masque (unseen) - there is no way to determine if the mob boss is a woman or if this was a retcon
Details
Publisher Marvel
Published January 1968
Written By Stan Lee (1922 - 2018)
Illustrated By Gene Colan