Arrow Season 3 Spoilers: Stephen Amell Posts Photo of Himself, Robbie Amell as Arrow and Firestorm

The CW's Arrow has already done an official crossover with The Flash this season, and characters from each show have appeared on the other a few times, as well. But could another crossover, official or minor, be in the works?

Arrow star Stephen Amell posted a photo to his Facebook page of himself and his cousin, Robbie Amell, in full costume as the Arrow and Firestorm, respectively. Does this mean we have another crossover brewing?

In other news, the CW has released 25 new photos for Episode 15 that show, among other things, Ray Palmer's ATOM suit in action. The photos also show Ra's al Ghul confronting Oliver for the first time since their duel in the midseason finale. Check out the photos over at Comic Book Movie.

After weeks of preparation and waiting, it seems that we'll finally get to see ATOM hit the streets of Starling City. Of course, numerous things could go wrong for Ray Palmer, but we'll have to wait and see what happens.

In case you missed it, here is the official description for the episode. The title refers to the region of the world where Ra's al Ghul lives. The description reveals that Malcolm Merlyn will be paying an unscheduled visit to the area, and it also reveals that Brandon Routh will suit up as the Atom for the first time!

"MERLYN IS CAPTURED BY RA'S AL GHUL; THE ATOM SUIT REVEALED - Malcolm(John Barrowman) is captured by Ra's al Ghul (guest star Matt Nable) and taken to Nanda Parbat.Because of his love for Thea (Willa Holland), Oliver (Stephen Amell) considers saving Merlyn.Ray (Brandon Routh) is obsessed with finishing his Atom suit so he can save the city but Felicity(Emily Bett Rickards) fears he is heading down the same path as Oliver (Stephen Amell) and tries topull him out of the lab. Gregory Smith directed the episode with story by Wendy Mericle & BenSokolowski and teleplay by Erik Olesen & Ben Sokolowski."

What do you think of the photo of the Amells? Let us know in the comments section.