Pakistan, Feb. 19 -- aWhile 'Frozen 2' is not set to hit theatres this November, a new trailer previews the return of the beloved characters from the 2013 Disney phenomenon without spoiling any of the plot. Free of any dialogue, the 'Frozen 2' preview begins with a lengthy sequence showing Elsa squaring off against a stormy ocean as she attempts to fight off the surmounting waves repeatedly. It seems as if she's training as she continues starting over on the seaside stretch of pebbles. As the trailer moves to show the return of Anna, Olaf and Kristoff, it teases a battle-heavy film. Autumnal leaves appear to play heavily into the plot as they repeatedly encounter a stretch of land covered in red-leafed trees. One lone leaf sweeps through ...