"Hulk" (1966). This was actually a series that rotated super heroes. Thor, Sub-Mariner, Captain America, and Iron Man also had their own episodes.

The cast of The Sub-Mariner - 1966 includes: Peg Dixon as Lady Dorma John Vernon as Prince Namor, the Sub-Mariner

sub mariner

A few of the better known superhero characters that Marvel have created are Captain America, The Incredible Hulk, and The Invincible Iron Man. They also developed The Might Thor and Prince Namor the Sub-Mariner.

The Sub-Mariner - 1966 The Planet of Doom 1-11 was released on:

USA: 1966