44-second teaser trailer for Heart of the Swarm

In a leaked StarCraft 2: Heart of the Swarm teaser video we see the Ghost Nova entering an installation with a squad team with the mission to "find Kerrigan".

Blizzard has according to reports invited press and professional gamers to a HotS preview. According to sources to GosuGamers, the NDA will be lifted on Tuesday, May 31. It seems this teaser trailer made it through.