Ben 10 Generator Rex Heroes United English Subtitles -

Ben 10/Generator Rex: Heroes United: The Definitive Crossover Guide

The story begins when a mysterious wormhole opens in the skies of Manhattan within the Generator Rex universe. Rex Salazar, an agent of Providence, arrives to investigate, only to find himself in a brawl with a massive alien known as Humungousaur. Unbeknownst to Rex, this "EVO" is actually Ben Tennyson, who has been pulled into this alternate dimension. Ben 10 Generator Rex Heroes United English Subtitles

It sounds like you're looking for information about the English subtitles for the crossover special "Ben 10/Generator Rex: Heroes United." an agent of Providence

Tips for finding them: