From The Void It Came... A brooding Namor gets into a confrontation with a couple of surface dwellers. They attack Namor which leads to a fight. Then he's attacked by an alien creature and also retaliates against it. The defeated created escapes and Namor is left to wonder what its purpose was.
* This story serves as an unofficial conclusion (and crossover) by writer Steve Keates of Aquaman #56 over at DC.