17 year old Percy returns from defeating Gaea, Annabeth died leaving a heart-broken demigod who leaves camp. He goes to his mother's place and spends two days there, when he finds a note when he returned from school...he walks to the bedroom and gasps, crying silently. His mother and Paul are dead in bed. Percy goes to the phone to report it to the police. They find out that Percy has an uncle, names Tony Stark, an annoying person who loves attention. How will Percy put up with the newfound fame and depression. While Fury is keeping an eye on Percy, Tartarus is rising for revenge (in sequel) but also a titan too. Will the Avengers need Percy's help.