So somehow Captain Cold is coming back for the penultimate episode of season 3 of the Flash. The episode is titled "Infantino Street"

With only 24 hours left until Savitar murders Iris (Candice Patton), Barry (Grant Gustin) struggles to save the woman he loves and makes the choice to use any means necessary to do so. Realizing he has one option left to save her, The Flash turns to Captain Cold (Wentworth Miller) for help.

Only one option left? How about calling Team Arrow or better Team Legends or only Firestorm