“Supergirl” character Cara Danvers (Melissa Benois) will join her fellow DC superheroes like The Flash (Grant Gustin) on the CW when it returns in the fall, and fans can expect another major crossover event. CBS

Now that “Supergirl” is officially moving from CBS to the CW to join her fellow DC Comics cohorts, fans everywhere can start looking forward to a slew of crossovers between her and the characters on “The Flash,” “Arrow” and “Legends of Tomorrow.”

“Supergirl” was originally conceived as a CBS venture, separate from the connected world of the Arrowverse. However, after a brief, and well-explained, crossover with “The Flash” character Barry Allen (Grant Gustin), Supergirl (Melissa Benoist) solidified herself in the connected-universe canon. Now, the CW President Mark Pedowitz has confirmed her involvement with the other DC comics heroes established in the Arrowverse will not end there.

According to the Hollywood Reporter, Pedowitz spoke at the network’s upfront presentation, telling reporters there will be another major DC crossover event this fall and stressed it will be the network’s biggest event yet. For the past two years, “Arrow” and “The Flash” have crossed over with one another to hook fans on the connected TV universe. In 2015, the two show’s crossed with each other again to set up the pilot of “Legends of Tomorrow.” Fans expected that things would bloat now that the “Legends” team will have to be included in the annual meet up, but with Supergirl (Melissa Benoist) added to the mix, the event will have to be even more epic than it already was going to be.

As fans know, including Supergirl in any crossovers is a bit trickier than simply having The Green Arrow (Stephen Amell) take a trip to a different city. Because “Supergirl” was never intended to take place within the same mythos, it was previously explained that she and her characters exist in an alternate dimension that can sometimes be accessed by The Flash (Gustin). However, a back door does exist for Supergirl to pay routine visits to the Arrowverse, which actor Stephen Amell previously said he’d welcome at any time on “Arrow.”

“Do bears you-know-what in the woods?” Amell teased in a video interview with ComicBookResource. “I think that it’s highly likely that if you have four DC superhero properties on one network, that is an opportunity that may not exist again and certainly hasn’t ever existed in the history of television. I would expect that we would do something.”

It seems the “Arrow” lead is not only talking about the upcoming fall crossover. Perhaps there will be some minor crossover between characters on the two TV shows that won’t necessarily require the big heroes of each show to team up — think John Diggle (David Ramsey) joining “The Flash” for an episode to combat King Shark.

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