Rider's disappearance does mirror a similar storyline he faced in the comics storyline Annihilation. Related: Guardians of the Galaxy Hints the X-Men Exist in the Marvel Game's Universe However, these confirm that, much like in the comics, Rider was at one point Nova Prime and the leader of the Nova Corps. There are multiple other mentions of Rider when interacting with terminals on the Nova Corps base The Rock, but they all provide the same conclusion: Rider is missing in action and has been for some time.