of the transmode virus. The five return to Hala to engage the Phalanx. When ambushed by Skrulls during the Secret Invasion storyline, Rider is aided by Kl'rt the Super-Skrull. He learns about the Secret Invasion and heads for Earth. Rider learns that Project Pegasus, the base where his brother now works, is under Skrull attack. Working with Darkhawk, Rider successfully stops the Skrulls' advance. The scientists of the facility extract the Worldmind from his brain and use the supercomputer to jump-start a project known as the quantum flask, which restores Quasar to life. A Skrull warship is about to attack Project Pegasus but is destroyed by a band of alien Nova Centurions who then declare their allegiance to Rider. Rider learns that the Worldmind has been recruiting members for the Corps without telling him. When he learns that Ego the Living Planet is among the new recruits, he becomes enraged and tries to battle Worldmind. As a result, he is stripped of his rank and ejected from the Nova Corps. Because his body has become dependent on the Nova Force, Rider will die if he is without it for too long. As a temporary measure, he borrows the quantum bands from Wendell Vaughn and becomes Quasar. Using his new abilities, Rider rescues the Corps from the War of Kings. Ego is removed as a Centurion and Rider regains his Nova Prime status, but not before most of the new recruits are slaughtered by the Shi'ar Imperial Guard. Nova agrees to train the remaining new Centurions, including his younger brother Robert. Nova is recruited for the Secret Avengers by Steve Rogers and sent to Mars to investigate Roxxon's operations on that planet. While there, Rider discovers a second Serpent Crown secreted there, only to fall under its influence until rescued by Rogers and his team of Avengers. Shortly after this mission, Nova is called away to deal with the events of The Thanos Imperative and Steve Rogers confirms he has left the team. Realm of Kings and The Thanos Imperative A lost Nova Corps ship appears from a tear in space-time known as the Fault. Onboard is Zan Philo, a long-missing Nova Centurion who is assigned to train the new recruits. Later, Rider and Darkhawk find themselves inside the Fault, where they are called to do battle for the Sphinx against his younger self. Because of the unstable timestream inside the