Latveria. He traveled back to the 20th century, battling his own present day self, as well as the 20th century Daredevil and Namor. Despite this, he successfully introduces an addictive crab venom to his country, leading the populace to develop an immunity to the necrotoxin in an effort to save his people in the future. He returned to 2099, to find Fortune and about 50% of the population of Latveria alive, due to the genetic immunity, though many Latverians had been mutated into humanoid creatures dubbed "mutalocos". Immediately upon his return, Doom is greeted by the Phalanx, who had returned to Earth to attempt assimilation of the human race again. Against the advice of Fortune's brother, Kaz, Doom agrees to aid the Phalanx in finding sleeper agents they had left on the planet to have a better chance at assimilation, though it would seem that Doom is merely lying to further his own goals. This storyline ends the Doom 2099 book and continues in the 2099: World of Tomorrow book, which combined all running 2099 titles into one. 2099: World of Tomorrow The Doom 2099 character was one of many to appear in the new title 2099: World of Tomorrow. Castle Doom had survived the ice caps melting, being one of the few places still above water. Doom is seemingly in league with Magus, the emissary of the Phalanx, assisting him in finding the scout which contains a code that will begin the Phalanx assimilation. In reality Doom has been experimenting on humans, with the help of Xena Kwan, former lover of Miguel O'Hara, to find a way of purging the Techno Organic Virus. Spider-Man eventually arrives and Doom blackmails him into assisting their experiments, claiming to be in possession of Miguel's brother. Magus reveals he has known all along where the scout, Nostromo of X-Nation, has been and that contact is at hand. Miguel and Xena successfully introduce and purge the virus from Doom's neurotech armor. He claims that he had always intended to allow the Phalanx to find Nostromo, as the techno organic growth has purged his country of outside influences and the ravages of the past century. Just as Spider-Man is about to destroy Nostromo, Doom activates a code he had implanted in the scout years prior, allowing Nostromo to purge the Phalanx from the Earth. Doom is destroyed along with Magnus and with his final will