'Arrow' and 'The Flash' Spinoff Series in the Planning Stages: A.T.O.M is Likely Candidate Brandon Routh is on the verge of getting his own TV show set in the 'Arrow' and 'The Flash' universe. He plays Ray Palmer, a.k.a. the A.T.O.M, a superhero akin to Ant-Man. by Vamien McKalin