Author JK Rowling has hinted that the sequel to the 2016 film 'Fantastic Beasts and Where to Find Them' might explore the sexuality of the character 'Dumbledore'. The film will throw light on the relationship between 'Albus Dumbledore' and 'Gellert Grindelwald'. The sequel will also feature several characters from the 'Harry Potter' universe, as confirmed by Rowling.