It recreates the scene from the opening of Avatar: The Last Airbender, as Katara approaches an iceberg containing Aang and his flying bison Appa before it and the trailer explode into snippets of ...

but that was before he inadvertently froze himself and his Sky Bison Appa into an iceberg beneath the sea. Upon his thawing out and discovery by siblings Katara (Kiawentiio) and Sokka (Ian Oiusley ...