Blizzard have dropped the Vengeance trailer for its upcoming expansion pack for its superb RTS game, Starcraft II: Heart Of The Swarm. Feast your eyes on the space Western sci fi below:

This is the first new footage of the game that Blizzard's shown off since it released the opening cinematic last month. Fans of the franchise will notice that Kerrigan - the self-styled Queen Of Blades - and Jim Raynor still have a relationship that is... shall we say, quite complicated. They may also note the appearance of a couple of the new units covered in a couple releases from Blizzard a while back.

Starcraft 2: Heart Of The Swarm is set for release on March 13th.The game is still in public beta, which ends on March 1st. Ahead of the release, Blizzard has rolled out Patch 2.0.4, which freshens up the core games menus, adds improved score and stats, clans and groups and improves matchmaking.