Batwoman taps Bridget Regan to play Poison Ivy

Variety

Regan joins The CW drama as the iconic DC supervillain Poison Ivy, AKA Pamela Isley, a "former botany student of Gotham University described as a passionate, brilliant scientist with a mind for changing the world for the better," per Variety. "But her plans shifted when she was experimented on by a colleague, injected with various plant toxins which turned her into the infamous Batman villain Poison Ivy."