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Elseworlds Sets Up a New World's Finest

WARNING: The following article contains spoilers for this week's episode of Arrow, the second part of "Elseworlds," which aired Monday on The CW.

One of the best elements of the annual Arrowverse crossovers is the chance to see new takes on classic concepts. Just last year, Green Arrow, The Flash, Supergirl and the Legends of Tomorrow united to fight their Nazi counterparts in "Crisis On Earth-X." With this year's event, we're introduced to a new spin on one of the most important relationships of the DC Universe with the World’s Finest: in this case, Supergirl and Batwoman.

Superman and Batman have had issues with each other over the years, but their friendship has endured for decades as a cornerstone of the DC Universe, so much so that they've long been referred to as the World's Finest, a reference to the title of their team-up comic, published for 45 years.

The appeal of two of the best-known superheroes becoming friends is too good to overlook. Beyond the obvious potential for bigger stories, it also connects the disparate elements of the universe into something greater, and helps to connect to the humanity at the core of costumed characters.

That's why it’s so great to see Supergirl and Batwoman come together in "Elseworlds" and quickly arrive at a mutual respect. When she meets the assembled heroes who have come to Gotham, Batwoman (Ruby Rose) is more annoyed than anything. But the willingness of Kara (Melissa Benoist) to talk helps Batwoman to open up in a way the other heroes don’t get to see. They’re able to relate to each other, as heroes and as confident young women in the perpetual shadows of their more flashy family members. Without ever meeting before, they seem to know each other so well.

During a particularly strong scene of the second part of "Elseworlds," Kara walks into an office to speak with Kate. While they’re alone, Kate Kane is less hard-nosed than she was when Kara first arrived, behaving more friendly and flirty than before. Kara is bashful, but also kind and supportive. They instantly complement each other, with Kara offering a willing ear and Kate doing everything she can to help her new friend. Kate even suits up and makes a surprise visit to Arkham Asylum to help save the day.

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The potential for a new take on the classic "World's Finest" team-up is solidified after the heroes have taken the Book of Destiny. When Batwoman tells the other heroes to get out of her city now that they’ve gotten what they came for, she takes extra time to speak to Kara alone. Each reveals she's deduced the other's secret identity, and then they shake hands, hinting at the partnership that could develop.

The three-night Elseworlds event concludes Tuesday at 8 p.m. ET/PT on The CW with Supergirl.

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