Check out this abstract CG intro for the 2014 edition of the StarCraft World Championship Series.
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.
Takuya Suzuki - 2014 Modeling Reel
Takuya Suzuki has posted a modeling reel with his environmental modeling work for several Blizzard Entertainment trailers.
Heroes of the Storm - CG Trailer
Blizzard Entertainment have released a beautiful CG trailer for Heroes of the Storm.