The Last of Us creative director Neil Druckmann has teased an imminent DLC announcement.

According to a post on Twitter, Naughty Dog intends to unveil The Last of Us DLC later today (September 26).

It's almost here. What are you doing to prepare? #OutbreakDay pic.twitter.com/zm7bqt85al — Neil Druckmann (@Neil_Druckmann) September 25, 2013

Referring to 'Outbreak Day', the tweet suggests that the DLC will take place on the day the "mysterious infection" took its hold on humankind.

Naughty Dog's Christophe Balestra also tweeted about 'Outbreak Day', as did Joel's voice actor Troy Baker, which suggests that the lead character might return.

Naughty Dog is expected to launch two multiplayer packs and a new single-player chapter as DLC.

Gaming Gallery: The Last of Us imagesAvailable exclusively for PS3, The Last of Us has sold more than 3.4 million copies since launching in June.

It is believed to have grossed more than Man of Steel on its opening weekend.

> Read Digital Spy's The Last of Us review

Watch a trailer for the game below: