Wolverine, Vol. 3 #45 (2006)

Civil War - Vendetta, Part 4: Vengeance
Namor, ruler of Atlantis has come to the surface world to bring justice to Nitro for the death of his cousin, Namorita. After knocking Wolverine out, he takes Nitro and heads to New Pangaea, a nearby undersea city. With Iron Man's unwilling help, Wolverine follows. Though Nitro deserves the tortures awaiting him at Namor's hand, someone supplied him with Mutant Growth Hormone, which made Stamford even worse. If Wolverine is going to truly bring the culprits of the disaster in Stamford to justice, he needs to know who.
Release Date: 2006