Two Worlds II has been announced today, called "Pirates of the Flying Fortress", and as the title suggests, it has a nautical motif.
According to the press release, the DLC takes the player on "yet another exciting trip to Antaloor, abducting you this time into the gloomy pirate world! The story plunges the player headlong into an adventure that is more than astonishing! The good old "Two Worlds" atmosphere waits, which is yet quite different this time around. Exotic flair, new enemies, new settings and new weapons - all fans are in for a shocking surprise!"
The DLC is due to be released in September 2011 for PC, Xbox 360 and PlayStation 3. You can visit the official DLC website.