Harry Potter and the Avengers Adventure

After Voldemort gets a body at the end of the Triwizard Tournament Harry is given training for the coming war. 4 years after they won, Harry has PTSD and hasn't aged a day. He decides to go on a holiday, arriving in New York just as the chitauri do. Well, Hermione had always said he had a saving people thing, what's a bloke to do? AU MOD!Harry