Arrow: Amell Shares A Self-Censored Crisis Cast Photo

The upcoming Arrowverse crossover "Crisis on Infinite Earths" has been filming for several weeks now and thanks to the large number of actors involved, we've already had plenty of set photos revealing behind-the-scenes looks at what we can expect from the superhero extravaganza. This includes unexpected pairingssurprise returns and even a hint at time travel.

Now, Arrow star Stephen Amell has shared a new photo that brings together a very powerful group of heroes -- and one shrouded in mystery.

RELATED: The Flash's First Glimpse of Crisis Is Straight Out of the Comics

"About today..." was all the actor wrote to explain the photo, which features his Emerald Archer, Supergirl, The Flash, Batwoman, Superman, The Atom and a mysterious figure who's been blacked out.

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Fans are already speculating as to who the censored character could be, the prevailing theory being that Oliver's future daughter Mia Smoak is the one standing alongside the other heroes.

RELATED: Arrow: Oliver's First Mission for The Monitor Revealed

"Crisis on Infinite Earths" begins Sunday, Dec. 8 at 8 p.m. ET/PT on Supergirl, then continues in Batwoman on Monday, Dec. 9 at 8 p.m. ET/PT and in The Flash on Tuesday, Dec. 10 at 8 p.m. ET/PT. After the winter hiatus, the crossover will conclude on Tuesday, Jan. 14 in Arrow at 8 p.m. ET/PT and in DC's Legends of Tomorrow at 9 p.m. ET/PT.

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