We don’t know yet what that cameo would be, and whether it’s an appearance from one of the current Legends or some doppelgänger. Still we’re sure fans would be delighted to hear this news.
Elseworlds seems to create a different sort of crossover experience for all Arrowverse fans. Producer Marc Guggenheim said the following:
“[Last year’s “Crisis on Earth-X” was] very hard on the crew, it’s very hard on the cast, and we wanted this year to just be a little easier. That’s why we focused on crossing over mainly the leads of the shows and not including a fourth hour. The hard thing about crossing over with Legends is, because that’s an ensemble show, you’re crossing over with the entire cast. The most fun aspect about really focusing on the leads is we really had a chance to tell a story about the troika that we’ve never really been able to do before. When you have Legends of Tomorrow part of it, and all of the other secondary and supporting characters, the amount of time we had Grant and Stephen and Melissa on screen together was actually pretty minimal in other crossovers compared to this year.”
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The event will see The Flash, Green Arrow and Supergirl switching lives as a result of Dr John Degan messing with reality. Only Supergirl would know about this switch and will seek to set it right.
The event will also feature from Superman and Lois Lane along with the debut of Batwoman, played by Ruby Rose.
The Elseworlds crossover will begin on Supergirl on December 9th, followed by airing on Arrow on December 10th and The Flash on December 11th.