Mads Mikkelsen makes debut as Grindelwald in new 'Fantastic Beasts' teaser
Marilla Sicilia/Archivio Marilla Sicilia/Mondadori Portfolio via Getty Images Harry Potter fans get to return to the world of wizardry with a teaser trailer for Fantastic Beasts: The Secrets of Dumbledore. The clip advertising the third film in the Fantastic Beasts franchise offers a retrospective