The last time present-day Captain Cold was seen, he was saving his frequent partner, Mick Rory, in the penultimate episode of Legends of Tomorrow‘s first season.
Most will welcome Wentworth Miller back to The Flash with open arms, as Captain Cold was consistently noted for being one of the strongest characters in the Arrowverse.
The question then became whether we would be seeing a past or alternate Earth version of Captain Cold, or if he could be brought back to life.
Mirror Master has teamed up with his old partner, Top (guest star Ashley Rickards), and is looking for Snart (Wentworth Miller) to even a score.