SUPERGIRL

British tabloid The Sun has reported that British soap opera star Gemma Atkinson ("Hollyoaks") is "waiting to hear whether she has been cast as the lead" in CBS upcoming DC Comics adaptation. This development comes after "Vampire Diaries" star Claire Holt was passed over for the part.

AGENT CARTER

With "Agent Carter's" premiere coming up quick, ABC has unleashed a few new promos and clips for Marvel's spy series. First up is a promo that ties Carter to some of ABC's previous powerful women.

TVLine has a clip that shows Peggy hard at work gathering intel from her own narrow-minded superiors. Another retro-style clip, posted to the show's Facebook page, shows how Peggy "hails a cab."

Post by Agent Carter.

And a final clip, also posted to Facebook, shows how to "let the man lead."

Post by Agent Carter.

Premieres January 6 on ABC

ARROW

The CW has revealed the synopsis for "Arrow's" midseason return, titled "Left Behind." Spoilers lie ahead for those of you that haven't caught up with the show.

"Left Behind" - (8:00-9:00 p.m. ET) (TV-14, LV) (HDTV)

THE TEAM DEALS WITH OLIVER'S DISAPPEARANCE - In the aftermath of Oliver's (Stephen Amell) fight with Ra's al Ghul (Matt Nable), Diggle (David Ramsey) and Arsenal (Colton Haynes) continue to protect the city in the Arrow's absence. However, after three days without hearing from Oliver, they begin to fear the worst may have happened to their friend. Felicity (Emily Bett Rickards) refuses to believe that Oliver could be dead until Merlyn (John Barrowman) pays the team a surprise visit. Thea (Willa Holland) suspects there is something more behind Oliver's disappearance and asks Merlyn for a favor. Meanwhile, Ray (Brandon Routh) tests a part of his new suit and Laurel (Katie Cassidy) takes up the mantle of the Black Canary. Glen Winter directed the episode written by Marc Guggenheim & Erik Oleson (#310). Original airdate 1/21/2015.

Returns January 21 on the CW

AVENGERS: AGE OF ULTRON

Marvel has announced that the next trailer for "Age of Ultron" will debut during ESPN's airing of the College Football Championship. Included in the informative tweet is a quick teaser for the trailer comprised of already seen footage.

Get set for a new #Avengers #AgeOfUltron trailer Jan. 12 during the College Football Championship on @espn! http://t.co/KG1Kfoh9Uz- Marvel Entertainment (@Marvel) January 2, 2015

The College Football Playoff National Championship Presented By AT&T, which sees Oregon square off agains Ohio State, airs at 8:30 PM EST on January 12.

If you want a decent look at what the God of Thunder will be wearing in the sequel, Diamond Select Toys has unveiled their new Thor figure.

Opens May 1, 2015

THE FLASH

The synopsis for "Flash's" midseason premiere -- "Revenge of the Rogues -- has made its way online, courtesy of the CW.

WENTWORTH MILLER AND DOMINIC PURCELL ("PRISON BREAK") TEAM UP AGAINAS CAPTAIN COLD AND HEAT WAVE CHALLENGE THE FLASH TO AN EPIC BATTLE -Leonard Snart AKA Captain Cold (guest star Wentworth Miller) returns to Central City with a newhotheaded partner in tow - Mick Rory AKA Heat Wave (guest star Dominic Purcell). The duo planto steal a multi-million dollar painting, but Cold has another agenda while in town - to set a trap forThe Flash. Snart and Mick kidnap someone close to The Flash and threaten to kill them unless TheFlash shows up for a battle of fire and ice. Barry tells Joe (Jesse L. Martin) he isn't sure he shouldtake on Snart again after the casualties that happened the last time they fought. Meanwhile, Barryasks Dr. Wells (Tom Cavanagh), Caitlin (Danielle Panabaker) and Cisco (Carlos Valdes) to help himdouble his training efforts so he's ready for the Reverse Flash when he returns to Central City. Iris(Candice Patton) deals with the aftermath of Barry's confession, and Cisco makes the CCPD a newshield. Nick Copus directed the episode written by Geoff Johns & Kai Yu Wu.

Returns to the CW on January 20

POWERS

Original "Powers" writer Brian Michael Bendis has posted a new look at the "Powers" cast to his Tumblr. The "Powers" co-creator writes that the image, which features the six primary cast members, was previously exclusive to TV Guide.

Debuts on the PlayStation Network in 2015

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