Hulk vs. Namor I- Avengers #3
After escaping from the Avengers the Hulk comes upon Namor. Hulk thinks that Namor is human and attacks him. At first Hulk dominates on the land, but when the fight moves to the water Namor swims a whirlpool around Hulk essentially rendering him helpless.WINNER: Namor, SCORE: Namor 1, Hulk 0