According to mediamolecule.com , Tearaway will be showcased at the Eurogamer Expo in London. Free giveaways and an atoi statue to pose with makes this a must-go-to! For more information about the Tearaway part, click here. For more on the expo side, click here.
Also, if you are heading to the expo, and you're possibly planning on pre-ordering, then you might want to hold off until the expo. According to Mm.com, you will recieve a keychain of Sackboy dressed as Iota if you pre-order the game at the expo.