Xandar's Queen Adora to stop the Deathstorm, he is temporarily stripped of his powers and rank, but is given back his powers when his replacement sacrifices himself. Annihilation Nova briefly travels the U.S. with the reformed New Warriors as part of a reality television show. Rider leaves the group when he is summoned to Xandar alongside the entire Nova Corps, which has been fully mobilized to respond to the Annihilation Wave, a force from the Negative Zone led by Annihilus. The wave decimates Xandar and the corps in a surprise attack. As the only surviving centurion, Rider makes contact with the Xandarian Worldmind, a living supercomputer that regulates the Nova Force and is caretaker of the entire database of Xandarian civilization. The Worldmind uploads itself and the entire Nova Force into Rider, greatly enhancing his abilities. During the Annihilation War, Rider takes command of the United Front, a loose collaboration of soldiers. In a nearly year-long campaign, Rider resists the Wave's advance across the galaxy until the United Front suffers a swift defeat. He leads a small team into the Wave's conquered territory and eventually engages Annihilus in personal combat, killing him. After the Annihilation War, Rider returns to Earth to rest. However, finding out that his pleas for help in the Annihilation War were ignored by Earth's superheroes because of a Civil War, and meeting Penance - his old friend Speedball, who was mentally scarred by the events leading up to said war - Rider returns to space, feeling out of place on Earth and disturbed by what Penance had become. Post-Annihilation Attempting to aid the Kree against an assault from the Phalanx, Rider is wounded and crash-lands on a sparsely populated Kree outpost. While Rider's unconscious body recovers, Worldmind deputizes a local Kree commander, Ko-Rel, to guard him. Rider is infected by the transmode virus and joins the Phalanx. Now tasked with killing Rider before the Worldmind falls into enemy hands, Ko-Rel attacks him, only to be killed by Gamora in retaliation. Upon her death, her fraction of the Nova force returns to Rider and enables him to overcome the transmode virus. He flees Kree space pursued by Gamora and a Phalanx-controlled Drax. Seeking a cure for the transmode virus, Rider eventually arrives on Kvch, home planet of the Technarchy. Rider enlists the help of the mutant Warlock and his son Tyro, who cure Rider, Drax, and Gamora