• Arrow is CW Network series developed by writer/producers Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg.

Arrow is CW Network series developed by writer/producers Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg. (Photo : Facebook/Arrow)

The latest details for "Arrow" season 4 will feature Malcolm Merlyn being the "real" villain in the show and a possible crossover with "Supergirl".

A new trailer for the next episode for "Arrow" season 4 titled "Broken Hearts" will feature Oliver Queen/gree Arrow (Stephen Amell) and team Arrow taking on a returning Carrie Cutter/Cupid (Amy Gumenick), while trying to amend his relatioship with Felicity Smoak (Emily Bett Rickards) after the revelation that Oliver had a son.

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The episode will also featured Damien Darhk (Neal McDonough) in prison as Malcolm Merlyn (John Barrowman) informs him of H.I.V.E.S. master plan of initiating "Genesis" withi or without mean. A scene shift into Darhk being brough down on his knees presumably H.I.V.E. members disguising themselves as prisoners.

It is hinted that Damien's supposed wife Ruve Adams will continue to work on project "Genesis" along with Malcolm and the rest of "H.I.V.E" , hinting that Malcolm could be leading the organization instead of Damien and that scene could be his final demise, Melty reported.

YouTube channel Emergency Awesome speculated that Malcolm could be the person that wants Oliver wants kill during the graveyard scene and points out the heated conversation between Malcolm and his daughter Thea Queen (Willa Holland), were in he will do anything to protect her even if Star City will fall from "Genesis".

In other news, it seems that another superhero crossover episode is being teased as Stephen Amell wants his character the Green Arrow to join forces with Kara Danvers/Supergirl (Melissa Benoist) in an episode.

Amell told IGN that the "Arrow" and "Supergirl" crossover has "potential" as he pointed out that his show has been there the longest and the success of the series has paved the way from other DC series such as "The Flash", "Legends of Tomorrow", "Constantine", "Vixen" and many more.

"Supergirl" will feature Barry Allen/The Flash (Grant Gustin) travelling to National City and several images shows him and Supergirl fighting two villains Siobhan Smythe/Silver Banshee (Italia Ricci) and Leslie Williams/ Livewire (Britt Morgan).

"Arrow" season 4 returns on March 23 at 8/7pm central on the CW Network.