ARROWAfter two years of references in the show, "Arrow" has found its Ra's al Ghul. Matt Nable has been cast as the iconic villain for "Arrow's" third season, and will appear in the fourth episode of the 2014-2015 run. Described as "Proud and unforgiving, Ra's is a ruthless strategist, a master of martial arts, and a shaper of history. He carries the wisdom of the ages, and protects some of its greatest secrets."

Warner Bros. has released a new "Arrow" season three trailer that details Oliver's new status quo following the second season, and introduces Brandon Routh as Ray Palmer.

Finally, in minor casting news EW.com reports that "The Carrie Diaries" alum Austin Butler has been cast as a love interest for Thea. Butler's character Chase is "a charismatic DJ whose talent and wiles catch the attention of Thea Queen." Butler will make his first appearance in episode seven of the series' third season.

Returns October 8 on The CW

SUPERGIRLRumors continue about a Supergirl-centric television series that will not be called "Supergirl." The project, reportedly headed up by "The Flash" and "Arrow" executive producer Greg Berlanti and Ali Adler. DC CCO Geoff Johns is also expected to have a role in the series. Reports also state that while there's no deal currently in place, the show will likely not end up at The CW.

AGENTS OF S.H.I.E.L.D.ET Online has posted a first look at Nick Blood in "Agents of S.H.I.E.L.D." as Lance Hunter, a character with a big role in the upcoming season.

"Now that S.H.I.E.L.D. has fallen, Coulson has to look outside of the organization for help, and make uneasy alliances with people like Lance Hunter," Showrunner Maurissa Tancharoen told ET Online. "Hunter is a mercenary, in it for the money, not the cause. Whether his allegiance is to anyone but himself is still in question."

USA Today has posted a new deleted scene from "Agents of S.H.I.E.L.D." season one featuring Elizabeth Henstridge and Ming-Na Wen.

Returns September 23 on ABC

STAR TREK INTO DARKNESSCap off your week with a gag reel from "Star Trek Into Darkness," as posted by IGN.

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