Johnny Depp stepped back from his role in the upcoming sequel Fantastic Beasts after losing the lawsuit. Since then, Warner Bros has been looking for a replacement to portray Gellert Grindelwald. Warner Bros announced the new Gellert Grindelwald.
Mads Mikkelsen has been named as the replacement. He will be Gellert Grindelwald in the upcoming third Fantastic Beasts coming in 2022. Mads Mikkelsen is known for his roles in Casino Royale, Hannibal, and Rogue One: A Star Wars Story.