Tales to Astonish (1959-1968 1st Series) #94
Published Aug 1967 by Marvel

"Helpless, at the Hands of Dragorr!" Script by Roy Thomas
Art by Bill Everett
As Namor plans his assault against the surface world, he is contacted by Dragorr, ruler of a small island, and invited to join him in conquering the world; Namor feels insulted by the surface man's affronity and decides to visit his island to teach him a lesson; Instead, he ends up being captured and forced to do Dragorr's bidding; It is only the timely intervention of the Lady Dorma that frees him and reveals the fact that Dragorr is a robot being run by the diminutive Gnome.

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