Unbelievable creature

Chris lives in an old house that his uncle frank owns, full of mysteries. He keeps digging closer. He won't stop till he finds out whats behind the door in his uncles basement. He's too curious, his uncles tries to stop him from discovering. Its already too late.

Robin: Assassin

When Robin is fed up with all this stuff about the team acting like he's a kid. He later disappears after a injury and comes back 6 years later a completely different person.