We have managed to get our hands on a new trailer for Tomb Raider: Underworld which explains the story behind the game.

"Mythology has always played a significant part of each successive Tomb Raider game and in this, the latest Tomb Raider: Underworld trailer (Beneath The Surface), Cinematics Director, Toby Gard, and Creative Director, Eric Lindstrom, reveal the story behind Lara Croft's latest adventure. Lindstrom explains how it took a significant amount of time to figure out what the mythology of the game should be and the visual style given all the places Lara travels to - from the Hindu culture in Thailand and Mayan culture in Mexico to the unifying Norse thread that leads her to all these locations. In pursuing her own goal of recovering Thor's Hammer, she risks putting the whole world in danger..."