Killer Frost Makes Costumed Debut in ‘Flash’ ‘I Know Who You Are’ Photos
All year long The Flash has seen Cisco rocking his Vibe costume (even giving Barry a future upgrade), so where are Caitlin’s Frost-y new threads? Watch Killer Frost make her formal Earth-1 debut in new Savitar-teasing photos and footage of next week’s “I Know Who You Are.”