I have seen, thanks to the Nintendo eshop, information about the characters we will receive for some DLCs. For the TV villains Pack: Zoom, Reign, Indigo, Vandal Savage, Prometheus and Vigilante. For the TV heroes Pack: Flash, Green Arrow, Atom, Supergirl, Vibe and Black Lightning. And for the Justice League Dark Pack: Zatanna, John Constantine, Deadman, Swamp Thing, The Spectre and Deadman.