Its been over 300 years since the great thaw of Arendelle. Anna and Elsa are granted immortality, to become apart of the Avengers and to forever protect earth. Elsa falls in love with Loki of Asgard. But will Elsa and Anna's sisterly relationship Falter because of Anna's 'New Powers'. Can Anna learn to control them or will she end up hurting everyone, Including Elsa. AU- TTDW