CW's superhero success is springing another baby. Story by Matt Cummings It's safe to say that CW's lineup (albeit small) of superhero television shows has been nothing short of an unqualified success. Arrow continues to deliver week after week, while The Flash has exploded in popularity, with quality bad guys, several as-yet-to-be-resolved story arcs, and excellent casting. Stephen Amell and Grant Gustin (Arrow and Flash, respectively) have even teamed up on each other's shows, which garnered some of CW's biggest ratings to date. Well, the network's number of superhero shows on is about to get bigger. Deadline is reporting that we'll soon see a show featuring casts from both shows in the first stand-alone team-up. The names: ATOM and F.I.R.E.S.T.O.R.M. In fact, the CW and Arrow/The Flash co-creator Greg Berlanti are describing and it as “superhero team-up show.” The show will feature familiar names: Brandon Routh (Ray Palmer/The Atom),