Here's the official press release from Summit Entertainment:

"Barbie Collector is thrilled to unveil the newest addition to the famed Twilight Saga doll series – Jane, from the vampire coven known as the Volturi. Vampire Jane is one of the Volturi’s most offensive weapons, possessing the ability to inflict a mental illusion of pain on any opponent. Jane will be available in February, 2011 for a suggested retail price of $24.95, joining the Edward, Bella, Jacob, Alice and Victoria in the collection."