On April 15, Bungie Studios will be releasing the Legendary Map Pack for Halo 3. To give you an idea of what's in store, here's a new teaser trailer video which gives us a sneak preview of all three maps in the pack: Ghost Town, Avalanche, and Blackout.

The video is entitled "Darkness." You'll find out why after watching the video. Heck, even the names of the maps are a tip off. If the video has convinced you to download the map pack when it's released, make sure you have 800 Microsoft Points in stock.

If you need a little recap on the maps, you can find out more about the Ghost Town map by following this link, the Blackout map by following this link, and Avalanche with this link. Here's the video: