Ben 10: Ultimate Alien" is an upcoming series that will be the sequel of Ben 10: Alien Force. It will premiere on April 23,2010. The series will follow a now 16-year-old Ben Tennyson, 16-year old Gwen, and 17-old Kevin. Somehow, Ben's secret identity has been revealed to the world and he is now an international mega-star super hero, loved by kids the world over, but distrusted by many adults. Armed with a mysterious new Omnitrix called the "Ultimatrix". Also the Ben's new car is in the series (revealed in Ben 10: Alien Swarm) as well as a jet flown by Kevin