(Credit: Focus Features) Opera seems to be a dominating force in Hollywood with the likes of Ariana Grande and Angelina Jolie training operatically to prepare for roles in “Wicked” and “Maria.” Now Bill Skarsgård has revealed that to prepare for the film “Nosferatu” he also trained with opera singer Ásgerður Júníusdóttir. According to an interview with USA Today, the actor {…}