Frozen 2 trailer's hidden clues reveal how Elsa got her ice powers and King Agnarr's youth

THE trailer for Frozen 2 is out and it's full of clues about the film. There's a blond boy who may be a young King Agnarr — Elsa and Anna's dad. An ice crystal symbol is perhaps a clue to how Elsa got her powers. Frozen 2 finds Elsa and Anna on a dangerous ...
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