My sons (5 and 4) also love Peter Pan. We were excited that Peter Pan, Wendy, Captain Hook and Mr. Smee were doing Character Greetings when we were in MK last week. They were across from Pirates on a covered porch area. The boys didn't want to see Captain Hook (a villian, too scared of him) but Peter Pan and Wendy interacted with the boys and talked to them. It was also fun to seen Peter Pan "lock up" Captain Hook and Mr. Smee in between large barrels during the character greetings.
We also loved Peter Pan's flight ride (awesome!) and we saw Peter Pan & Wendy in the parades.