• "Arrow" is an American television series developed by writer/producers Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg.

"Arrow" is an American television series developed by writer/producers Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg. (Photo : YouTube/Pagey)

Avid fans of DC Comics should be ready for a treat when The CW's four DC-based superhero show comes back this fall. "Arrow" star Stephen Amell who plays Oliver Queen (The Green Arrow) teased that The CW network is developing an epic four-night crossover event that will feature Green Arrow, Supergirl (Melissa Benoist), The Flash (Grant Gustin), and the Legends of Tomorrow.

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Supergirl will move to The CW from CBS, making it possible for the first ever four-show crossover. In the next second installment, "Supergirl" will join "The Flash," "Arrow," and "Legends of Tomorrow" on The CW. In this case, it will be rationally easier for the four series to interact.

Amell teased about the imminent major event during a panel at Wizard World Philadelphia last week. According to Comic Book, "Arrow" star pointed out that he believed fans will end up seeing one huge four-night crossover. Amell added that he is not sure how the network will shoot a crossover comprising of four diverse shows, particularly because "this is kind of an unprecedented moment in terms of the history of network television."

However, the actor is optimistic that the crossover will be successful. While Supergirl is in a little bit different world, the network can fix that through one line of dialogue. As a result, fans should expect seeing Oliver Queen meeting Supergirl at some point.

Amell teased, "All I want to see is Supergirl fly and David Ramsey's reaction to it."

The star's statement about the DC four-night crossover echoes what Mark Pedowitz, The CW president, said back in May. Pedowitz previously said during a press conference that the network's annual crossover event this fall would be the biggest ever.

In other news, a new villain in "The Wire" will be inspired by Stringer Bell, the fictitious drug lead portrayed by "Pacific Rim" star Idris Elba, according to TVLine. The character with a description of "ruthless crime lord" has been given a provisional name of Anton Church.

"Arrow" Season 5 will air this fall. Here is a sneak peek for further details: