• 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)

"Arrow" season 4 will have new details on Quentin Lance's possible death, Deathstroke's return and episode 5 promo featuring John Constantine.

It is during the premiere of "Arrow" season 4 that audiences revealed the death of a possible major character in the series which leads to Oliver Queen/Green Arrow (Stephen Amell) taking revenge on Damien Darhk (Neil McDonough). Four characters were hinted to be in the possible death list on season 4; Quentin Lance (Paul Blackthorne), Felicity Smoak (Emily Bett Rickards), John Diggle (David Ramsey) and Thea Queen(Willa Holland).

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Several fans speculated that Capain Lance passing could be the most devastating plot in the show seeings as Laurel Lance/Black Canary (Katie Cassidy) already lost her sister, Sara (Caity Lotz) before she was ressurected, and Lance was the inspiration for Oliver running for Mayor in Star City. Blackthorne explained several details regarding Quentin Lance's fate in the show as he told ExtraTV that everyone should be "philisophical" about character deaths and believes that when his character's time to die has come, he will eventually accept it, but he remains hopeful that Quetin Lance will die this season.

When it comes to Felicity Smoak, John Diggle and Thea Queen, fans might be a bit skeptical about it since Felicity's death could be the obvious choice for the producers, while John Diggle's could be more surprising seeing is that Damien's organization. H.I.V.E. is tied to his brother's death and Thea could die via mercy killing since she became a blood thirsty killer after she was resurrected by the Lazarus Pit.

In other news, Executive producer Marc Guggenheim stated that Slade Wilson/Deathstroke (Manu Bennett) could return in "Arrow" TV series. This all started that Bennett teased fans of a photo of Deathstroke on his Facebook page signifying that Slade will be back soon.

There is also new promo trailer for Episode 5 titled "Haunted" and it features Team Arrow seeking help from John Constantine (Matt Ryan) in bringing Sara Lance's soul from her body, ComicBook reported.

The showrunners stated that Constantine will play a pivotal role in restoring Sara Lance after the failed attempt of bringing her back in the Lazarus pit as the video sees Oliver and company performing a ritual to bring her soul back from the dead.

"Arrow" season 4 airs on Wednesdays at 8/7pm central on the CW Network.