2. Quidditch World Cup Movie
In the Wizarding World, the main sport of Quidditch rules as the number one sport, to the extent that the Quidditch World cup is on par a spectacle as the Muggle Olympics or World Cup. The singular Quidditch World Cup in the series is a tournament full of intrigue, surprises and excitement. From the single game the reader is exposed to, the excitement of the World Cup, and it's stunning Finale is a true spectacle. In Harry's fourth year, Harry attends the World Cup and witnesses an incredibly dramatic final when Ireland win despite the Golden Snitch being caught by the Quidditch World's equivalent of Lionel Messi, Cristiano Ronaldo or Lebron James (for the Americans). To go from that, there would be nothing greater than the textbook underdog sporting movie that has become a time honoured tradition for movie studios to be applied to the wonderful sport of Quidditch. It doesn't even have to involve the World Cup, as the Potterverse already has a well established British league with out and out favourites in the Tutshill Tornadoes, and the overwhelming underdog team in the Chudley Cannons. Speaking personally, I would love nothing more than a Quidditch underdog story, as the Wizarding sport sets a fantastic scene for an incredible underdog story to develop.