Taking into account recent developments and hints some cast members of Arrow have made in the past, it seems highly likely that Harley Quinn will be returning for the rest of season 3 of the CW series.

Speaking to TVLine, Andrew Kresiberg, the executive producer spoke about what fans can expect from the next chapter of Arrow.

"We're definitely going to bring back the Suicide Squad," Kreisberg confirms.

Featuring the Squad in an episode of season 2 had created quite the stir, because of the flash in the pan appearance by Harley Quinn. Ever since that time, fans have been rooting for the Batman villain's return on the CW series, and in August a petition asking for Cassidy Alexa -- who portrayed Quinn in season 2 -- to come back and play Quinn for the third chapter.

In June, Stephen Amell, who plays Oliver Queen, dished on the future of Harley Quinn, via a Facebook interaction with fans.

"It was absolutely Harley Quinn. Hope she is back -- AND OUT OF HER CELL -- Season 3," he wrote.

The actor also addressed this question at another recent event. He spoke about Quinn at a Comic Con event in Phoenix on June 7 and 8.

In the episode, titled Suicide Squad, viewers didn't quite get to see Quinn's face and all that was accessible was her voice. The character was voiced by Teenage Titans star Tara Strong. While people were still unsure if that was the great Quinn herself, as the character was described as the "deranged squad female" executive producer Marc Guggenheim confirmed that it was the Batman villain indeed. At the Comic Con event, Amell was asked if the infamous DC character will be returning for the third season.

"I don't know if she's going to be involved in season three, but the high-pitched voice in Episode 16 was absolutely Harley Quinn," said Amell. "I didn't know about any of this, by the way, because I wasn't in that scene. But I'm a fan and I remember seeing that preview and feeling like I should have known that this was going to happen!...I also know that there was an additional scene with that character in the finale -- again, still in the cell, still with her back to us -- but it had to be cut for time."

The episode is set to release on January 21, 2015 at 8 p.m. E.T. on the CW.

Watch the promo for Left Behind here:

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Arrow, The cw, Television