Diablo 3 The Prime Evil Act 4 The High Heavens All cinematics & cutscenes. Teaser trailers & intro/endings for all characters [heroes]. Including deleted scenes & alternate endings! Archbishop Lazarus, Diablo, Leah, Deckard Cain, Dark Wanderer, and the Butcher.
The Black Soulstone cinematic debuted at Blizzcon 2011 and offered the first preview of one of the full game cinematics. This movie will show after Act 2, setting up plot events in Act Three. Note that this is a slightly-edited version of the movie, with a few things removed to preserve plot spoilers.