Harry Potter is catering to new fans with an expanding franchise that includes TV shows, video games, theme parks and more.

Warner Bros. launches a new ‘Harry Potter’ campaign with a TV series, games, and merch to captivate fans worldwide ...

In one corner, shelves are stacked with glass jars full of treats, not unlike those you might find in Honeydukes, the popular candy store in the “Harry Potter” film series. Dotting the room ...