New trailer features Reverse-Flash, Killer Frost, Earth-Two Barry and Iris

CW has released a new promo clip for the upcoming episode of  which airs on January 19, 2016.

The recently released promo which is titled "Pretty Messed Up," features Reverse-Flash, Killer Frost, and the Earth-Two versions of Barry and Iris.

EW recently reported the return of

undefined

"The Flash" stars Grant Gustin as Barry Allen/The Flash,Candice Patton as Iris West, Rick Cosnett as Eddie Thawne, Danielle Panabaker as Caitlin Snow, Carlos Valdes as Cisco Ramon, Jesse L. Martin as Detective Joe West, Teddy Sears as Jay Garrick, Keiynan Lonsdale as Wally West, Shantel VanSanten as Patty Spivot,Violett Beane as Jesse Quick, Demore Barnes as Tokamak, and Tony Todd as Zoom.

The series has been listed by undefined

Watch promo clip;