Loki, god of mischief, pranks big brother Thor in this Little Golden Book In Asgard and beyond, Thor's brother Loki is the master of mischief and loves pulling pranks with his mystical powers of illusion. This Little Golden Book about everyone's favorite Marvel Avengers villain is perfect for boys and girls ages 2 to 5 and fans and collectors of all ages Just in time for the new series premiering on Disney+ in spring 2021.