We know that Stephen Amell (Oliver Queen) and Grant Gustin (Barry Allen) will be playing their own respective roles at least once throughout the crossover, so we've got to wonder just how much this alternate reality is going to come into play.
So far we've seen a black-suited Superman, hints at a mystery character that will be dropping by in this other world, and today we've got ourselves a shiny new poster that gives us a little bit of context as to where we're headed.
With filming on this year's Arrowverse crossover now taking place, Arrow star Stephen Amell has taken to social media to share a behind the scenes image from "Elseworlds" featuring the Green Arrow himself along with co-stars Grant Gustin (The Flash) and Tyler Hoechlin (Superman).
You can see Stephen Amell's Tweet and full photo below. "Obviously there were Nazis last season".
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The CW dropped the official poster for "Elseworlds", this year's Arrowverse crossover between The Flash, Arrow and Supergirl on Tuesday and it looks like our latex-wearing heroes will be thrown into a chaotic alternate universe where everything is out of sorts.
What is known for certain about "Elseworlds" at this point is that Ruby Rose will debut as Kate Kane/Batwoman during the event.
The CW recently set the dates for the annual Arrowverse crossover, with this year's storyline heading to Gotham City, a place previously off-limits to The CW.
Elseworlds begins Sunday, December 9th on The CW.