Negasonic Teenage Warhead aka Brianna Hildebrand joins us at City of Heroes
Brianna is an American actress. She is known for appearing in the web series Annie Undocumented, and as Negasonic Teenage Warhead in the 2016 film Deadpool, her feature film debut. Brianna appeared in the web series Annie Undocumented, named best web series at the 2014 New York TV Festival. The series was created by Daniel Hsia, Elaine Low and Brian Yang. Brianna was cast as the superhero Negasonic Teenage Warhead in the film Deadpool on March 30, 2015.