[peter smiles, nodding in agreement because it would be unfair. he tilts his head to the side curiously at all the excitement. it's kind of adorable, and it's nice to see someone so enthusiastic about trick-or-treating and dressing up despite the fact that there's a big, bad trickster.]

Hey, that's an awesome character to go as. Someone who is strong, inspiring. Can the spider like ride on your shoulder while you go trick or treating? That should keep it safe if it's participating too. Not like they make costumes tiny enough for a spider.