It must be something to do with the first of April release date that inspires marketing minds to release the first six minutes of films to whip the unconverted into a frenzy.

It happened about a week ago with Duncan Jones’ Source Code and now Warner Bros have let loose this short clip which sets up the main body of the film, telling the nasty tale of how Emily Browning’s character ends up in the asylum which then becomes a brothel and a war zone with dragons and gas masked goons for some reason.

Here’s our take on the film, which is released today. Get ready to unprepare yourselves,

Metacafe via ComingSoon