As if the hype for this episode wasn't high and rowdy enough it would seem that Robbie Amell, who portrays the ever elusive Ronnie Raymond on the CW's Flash, has confirmed (or heavily hinted that) that his character..either as Ronnie or as Firestorm will be reappearing at the end of tonights episode.
Personally I believe it will be a pre-credit scene as The Flash and Arrow typically have that will showcase Ronnie either waking up or stumbing around somewhere...but not as Firestorm...but hey you never know!
PART ONE OF THE EPIC CROSSOVER EVENT WITH THE FLASH AND ARROW — Barry(Grant Gustin) is thrilled when Oliver (guest star Stephen Amell), Felicity (guest star Emily Bett Rickards) and Diggle (guest star David Ramsey) come to Central City to investigate a case involving a deadly boomerang. Excited about teaming up with his friend, Barry asks Oliver if he’d like to help him stop Ray Bivolo (guest star Patrick Sabongui), the meta-human Barry is currently tracking. Bivolo causes people to lose control of their emotions and has been using that skill to robbanks. Unfortunately, the superhero partnership doesn’t go as smoothly as Barry expected. When Oliver tells Barry he still has a lot to learn, Barry sets out to prove him wrong by attempting to stopBivolo alone. However, when Bivolo infects Barry and sets him on a rage rampage, everyone is in danger, and the only one who can stop him is the Arrow. Meanwhile, Iris (Candice Patton) is furious when Eddie (Rick Cosnett) tries to get a task force to stop The Flash, Joe and Dr. Wells(Tom Cavanagh) agree the Arrow is a bad influence on Barry, and Caitlin and Cisco deal with a newteam in S.T.A.R. Labs. Glen Winter directed the episode with story by Greg Berlanti & AndrewKreisberg and teleplay by Ben Sokolowski & Brooke Eikmeier (#107).
Fan Concept Rendition of Firestorm on the Show