Ben 10 Generator Rex Heroes United Movie -

Released on November 25, 2011, Heroes United is a television film that serves as an inter-series crossover between Ben 10: Ultimate Alien (the third iteration of Ben 10) and Generator Rex . Unlike typical "dream sequence" crossovers, this movie is fully canon to both series. The event was monumental for several reasons:

: The conflict shifts when they encounter Alpha , a prototype nanite created by Rex’s brother, Caesar. Alpha was sent to the Null Void (Ben's universe's prison dimension) because it was unstable and sentient, but it has now returned to absorb other nanites to achieve a perfect form. ben 10 generator rex heroes united movie

: The true villain is Alpha , a rogue, sentient nanite creation built by Caesar Salazar (Rex’s older brother). Alpha seeks to absorb technology and nanites to achieve ultimate power. Released on November 25, 2011, Heroes United is