Vril Dox – the son of Brainiac – finds himself fleeing from the universe's deadliest bounty hunters as he tries to figure out who stole his intergalactic L.E.G.I.O.N. police force from him. But the more he learns, the less he likes! Guest-starring Supergirl.
"The Flash" EP Kreisberg Shares Insight on Major Reverse-Flash Revelations