Namor the Sub-Mariner (1990 1st Series) #39

"Family Reunion!" Part 6 of 7. Guest-starring Tiger Shark. Story by Bob Harris. Art by Jimmy Palmiotti and Howard Rourke. Cover by Jimmy Palmiotti. Namor journeys to the sight of the first Atlantis to find a startling revelation. It's a discovery that will change the Sub-Mariner's life forever. Meanwhile, the undersea trembles as the Gates of Atlantis fall.