In "Welcome to Earth-2," an upcoming episode of "The Flash," Team Flash will encounter inverted versions of Caitlin Snow (Danielle Panabaker) and Ronnie Raymond (Robbie Amell). Several new photos from the episode show the two dressed as their alter egos, Killer Frost and Deathstorm (via Entertainment Weekly).

RELATED: The Reverse-Flash Returns In New "Flash" Episode Synopsis

"We are beyond excited to have Robbie back on 'The Flash,'" executive producer Andrew Kreisberg said in an earlier interview. "You can't keep a good Firestorm down. Only this time, he's back with a twist, a deadly Earth-Two version of our beloved Ronnie in the form of Deathstorm."

Starring Grant Gustin, Carlos Valdes and Jesse L. Martin, "The Flash" returns Tuesday, January 19 at 8 pm EST on The CW.