DmC: Devil May Cry will give players the option of playing as Dante's brother Vergil, but he's not an unlockable, he's DLC. The 'Vergil's Downfall' expansion will disclose Vergil's backstory and put you in charge of the katana wielding resistance leader. Watch the debut gameplay footage below.

Intrepid NeoGaf member Rockman zx found the clip, and posted the following synopsis:

Experience a brand new chapter of the DmC Devil May Cry adventure with Vergil’s Downfall, additional content that tells the untold story of Dante’s twin brother Vergil. Downloadable* from XBLA and PSN, Vergil’s Downfall contains hours of new gameplay, 4 difficulty levels and the opportunity to play as one of the most wanted Devil May Cry characters, Vergil, with an all new storyline, weapons, combos, enemies and locations.

Vergil’s Downfall will be available shortly after launch for 720 MS points and €8.99 / £7.29 on PlayStation Network.

Here's some gameplay footage:

We've contacted Capcom for a response to the above.