A series of eerie events thrusts an unlikely trio (John Boyega, Teyonah Parris and Jamie Foxx) onto the trail of a nefarious government experiment in

　　Thor's villainous uncle Loki has escaped Asgard to search for Yggdrasil - The Tree of the Nine Realms. The tree holds the power of the Universe

　　In this "half-fish" out-of-water animated adventure, a mermaid princess makes a bargain with a sea witch to become human.