Fan Casting Braniac 5 in Captain Atom 2: Legion Of Superheroes

Is perhaps planted as a mole and is "possessed" at different times throughout the film and that's how Braniac Prime has been one step ahead the whole time? Atom doesn't particularly trust him as the others are blinded by their friendship of him and Atom works out that Braniac Prime has been using him. Connection between him and Braniac Prime is severed at the end and he is now fully in control