Ηail Hydra

Captain America, the super soldier, war hero, the first avenger. Bucky Barnes, Steve's best friend. Until he died that is. But we all know now that he never really died. He was taken by Hydra and experimented on. Turned into the Winter Soldier. But during the time the Avengers were breaking apart, fighting against each other, they found out that there were more Winter soldiers. Men and women turned into super soldiers, people even stronger than Bucky, the first Winter Soldier, with power that could rival even Captain America himself. But when they later raided the base, they found every one of them dead. What they didn't know was that years ago, one of them had escaped. One Winter Soldier still alive. One Winter Soldier that could rival Captain America. One Winter Soldier with the power of the gods in his hands.

And this Winter Soldier's name is Percy Jackson.