Watch X2: X-Men Unitted: Free Online Movie Streaming Guide ---- Stryker (Brian Cox), a villainous former Army commander, holds the key to Wolverine's (Hugh Jackman) past and the future of the X-Men. This threat re-ignites the call for a mutant registration act. Stryker starts a full-out assault on Professor Xavier's (Patrick Stewart) mansion and school. After escaping his plastic cell, Magneto