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"The Flash" will soon uncover the identity of Zoom as teased in a new promo for the remainder of the season. The supervillain removes his mask in the trailer, but his face is off the screen to keep our curiosity alive. "Whoever that monster is, I will beat him," Barry declares.

The trailer also teases how the trip to Earth-2 will change Barry. "The Flash has gone rogue," someone says, while in another scene the titular hero is seen being held in a glass cell. A concerned Joe asks him, "What happened to you on Earth-2?"

Cisco and Wells' attempt to save Barry from Zoom will be the focus of the next episode, "Escape from Earth-2", which will air Tuesday, February 16 at 8/7c on The CW. Killer Frost will be an unlikely ally to Team Flash in the episode, but will she help take down Zoom?

Danielle Panabaker explains, "If Zoom kills your partner, would you really be that quick to defy him? I'm not sure that she's going to be their best source of assistance. It's tough for her. It's Zoom and Zoom's scary to everyone, even if you're a villain and working for him. Clearly he doesn't have any qualms about killing anyone who angers him, which makes him even scarier. For Killer Frost, it continues to terrify her. Zoom is no one to be messed with."

Meanwhile, executive producer Todd Helbing recently said that Barry's encounter with his Earth-2 version would affect him "quite a bit."