Batman & Robin
Dr Pamela Isley was a scientist working in South America until her superior Dr Jason Goodhue tried to kill when she found out he was trying to use her experiments to make a super race of thugs {BAne] Instead of being killed she was trasformed into a half Human-half plant mutant calling her self "Poison Ivy". She embarks on a crime wave until she is imprisoned at Gotham Arkham Asylum, where she meets "Mr Freeze" a former physician who in trying to cure his cryogenically frozen thermally ill wife was accidently submerged into a freezing solution in which he can only exist in subzero temperatures. They Both escape from the asylum  Freeze to turn the entire world into a ice planet...while "Poison Ivy" tries to make plant life supreme species. Ivy tries to kill Mrs Fries and then Robin but fails both times and is captured by Batgirl; Mr Freeze finds that his wife is still alive and gives Batman a cure Alfred the Butler who has been stricken with a deadly illness. Back at Arkham Asylum the nearly totally insane Poison IVy is imprisoned in a permanent Freeze beam; her roommate Mr Freeze tells her that he is going to make her life "A living hell" of permanent Winter in revenge for what she did to his wife,