Blizzard Entertainment have released a beautiful CG trailer for Heroes of the Storm.
Hearthstone: Curse of Naxxramas - Cinematic Trailer
Brave the wings of Naxxramas with this trailer for Hearthstone's first single-player adventure.
Vitaly Bulgarov's Art for StarCraft II: Heart of the Swarm
Check out some gorgeous modeling courtesy of Vitaly Bulgarov, in this overview of his work on StarCraft cinematics.
Diablo III - All CG Cinematics
See the entire collection of CG cinematics created by Blizzard Entertainment for Diablo III. Beware spoilers!