For starters, there's the bombshell that his father is none other than the Greek god Poseidon ... when Percy and Poseidon finally meet face to face on Mount Olympus. In a shift from the books ...

He had a place with the other gods atop Mt. Olympus, but he mainly stayed within ... When Zeus commanded the god to stop intervening in the war, Poseidon rails against him. Recounted in a ...