Mary Hamilton
Mary Hamilton is step-sister of Kate Kane in the CW's Batwoman.
Name:
Mary Hamilton
Publisher:
Real name:
Mary Hamilton
Aliases:
- Poison Ivy
Birth date:
None
Gender:
Female
Powers:
- Plant Control
First issue:
Origin
Mary Hamilton is the daughter of Jake Kane's second wife Catherine Hamilton. She's Arrowverse's version of Mary Bette Kane and the second Poison Ivy.
Creation
Mary Hamilton was created for the CW's Batwoman TV-series. Mary's only comic appearance is in Earth-Prime #1.
Major Story Arcs

Mary starts off as a socialite, who is revealed to work in an illegal clinic later. She would eventually be infected by Poison Ivy's vines, that surfaces repressed anger about her friends in villainous actions, becoming the new Poison Ivy. Although would be talked down by the Bat Team.