Mads Mikkelsen will take over the role of dark wizard Gellert Grindelwald from Johnny Depp in the third Fantastic Beasts film, Warner Bros Pictures has now confirmed.Rumours Danish star Mikkelsen, 54, was in talks to join the JK Rowling fantasy movie series have been circulating for some time.Deep, 57, stepped down from the role after losing his high-profile libel case against the Sun newspaper over an article which labelled him a “wife beater” in stories of alleged abuse against his ex-wife