Namor: First Mutant #3
an issue of Namor: First Mutant by Marvel Comics
Issue description
Continuing 'ROYAL BLOOD,' the epic storyline that propels Marvel's Avenging Son into a new world of horror! Namor takes the Curse of the Mutants deep undersea as he leads a fierce assault on the underwater vampires' eerie stronghold, far below the ocean floor. But as the First Mutant fights for his life, a dark secret from the past threatens Atlantis!
Rated T+