Nova Volume 4: Original Sin — Gerry Duggan

Original Sin tie-in! The Watcher's eye presents a pair of mysteries. Was Nova's father a murderer? And what is the secret origin of the Black Novas? Sam Alexander grieves for the Watcher, and turns to a friend for help, everyone's favorite Guardian of the Galaxy, Rocket Raccoon! As the secrets of the Black Novas and Sam's dad are revealed, Sam's world is torn apart. But can he come out of this stronger? Plus, when the Alexander home is threatened, there may not be anything that Nova can do to help out. And when Halloween rolls around, Nova joins the students of the Jean Grey School for trick-or-treating and trouble! Collecting Nova (2013) #17-22.