Namco and producer Katsuhiro Harada announced a new title in the Tekken franchise at the recent Tokyo Game Show. Tekken Tag Tournament 2 is currently being developed for an arcade release, but a console version is planned for a later date. The title is being planned for a Japanese arcade release next summer (2011) and in other regions of the world later in the year.
In preparation for the release of the game, Namco has launched a teaser site for the upcoming game which you can find at this link. You can check out the announcement trailer for the game below: