After his battle with Kalin, Yusei gets upset and goes to Martha's place but gets hit by a car and dies. After his death everyone had beaten the dark signers and locked them away. But two years pass and another dark signer has risen up to take Roman's place. Now its up to them to beat him,but they cannot since the bad guy is Yusei and what's worse is the king of the netherworld gave him all his powers and he was within him. How will our hero's stop their leader from ending the world?

*I don't own Percy Jackson, Rick Riordan does* He was loved He was loyal He was human He was cursed by Gaea His form changed to become the thing he fought against He was betrayed by those he called friends He was Percy Jackson I am a warrior I lashed out against those who sought to hurt me I know the meaning of suffering I cannot forgive I finally broke the chains the Fates had bound me in I am a monster I am Perseus, the mistake of Olympus

A few days after the giant war, Percy is alone in the world. A week out of Tartarus, EVERYONE is gone... all because of Gaia. Now a group of "super heroes" want Percy, but he wants to be left alone. There's something big coming, something that only two people have seen, but three have experienced. Only one is still alive... He's coming and he's after something. Or Someone... Avengers assemble to try and detain a certain half blood. No records of him, just his name, age, parents(deceased), a few notes, and a photo from about 9 months ago. Who is Percy Jackson? Avengers Assemble! All characters belong to RR & Marvel Works