Okay so Shawn had met Ron and Deadpool and he was aware of several Avengers in town. This really was like comic con in real life. Madison Valley was a nerd's wet dream and not just because The Dome was a less violent version of the one from Stephen King.
The first thing noticed was R2D2. Then he noticed the leaves and then he noticed Anakin. He had no idea who the boy was, but since there wasn't a girl around, he didn't think it was Luke. Or maybe it was and Leia was on a time out somewhere.
Gus was going to be so jealous.
He made the sound of a lightsaber turning on, miming holding the lightsaber in his hands. He moved it to the right and then to the left accompanied by sound effects from his mouth.