xXx director D.J. Caruso on the return of Xander Cage After 15 years, Vin Diesel is back as the adrenaline junkie/secret agent in xXx: The Return of Xander Cage. X has been laying low after faking his death after 2002’s xXx. (Ice Cube starred in the 2005 sequel xXx: State of the Union.) Now he’s back, hunting down a group of fellow thrill-seekers to retrieve a dangerous device called Pandora’s Box.