Collects Namor: The Sub-Mariner (1990) #10-18. Continue the saga of the Sub-Mariner with this second volume chronicling the adventures of Atlantis' Avenging Son, as presented by superstar writer/artist John Byrne! Marvel as Namor reforges alliances with his fellow Invaders, battles long-forgotten foes from World War II, and begins to unravel the mystery of Immortal Iron Fist and current Defender Danny Rand! All while dealing with the most insidious force of all: corporate scheming and subterfuge! Guest starring Captain America, Spitfire, Union Jack, the original Human Torch and more!