Ben 10 / Generator Rex: Heroes United (2011) is a Action, Animation, Science Fiction, TV Movie film that follows ben Tennyson falls through a wormhole and encounters Rex. The two heroes must unite against a foe that can absorb their powers. Ben 10 / Generator Rex: Heroes United is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.2 out of 10 from 60 votes. Fans of action movies may also want to explore similar titles below.