Sirius Black gets a trial and is declared innocent. What will happen to the magical world if Sirus and Remus raise Harry? How much power would Lord Black have in the wizarding world? This story is being republished here since the first account got blocked.
Harry and the Order of the Pheonix, read the books.
The Marauder and members of the First Order read books from the future.
What if Remus had been forbidden to approach Harry while he was in the Muggle world? What if he had many questions about what happened that were never answered given his condition? What if he doubted Sirius was guilty? What if he gets involved in Harry's life a lot sooner? Lordships and Wolfstar.