Iron Man, Vol. 1 #69 (1974)

Confrontation, Part 1
Iron Man returns to the depths to free Sunfire, but his battle with the Mandarin results in the sinking of the vessel, endangering the still trapped Sunfire. Iron Man's efforts to save Sunfire delay him long enough for the Mandarin to get away, and the Mandarin goes directly back to where Ultimo was buried. Mandarin revives Ultimo to assist in his battle against Yellow Claw.Meanwhile, Roxi's search for Marty March ends when he finds her.
Release Date: 1974