|The Avengers (1998) [Emma Peel]: Playing a dual role as both the genuine "Mrs. Peel" and her evil clone, the clone is killed in an explosion (along with Fiona Shaw) when their zeppelin collides with Big Ben. (Thanks to Dick Hertz)
Les Miserables (1998) [Fantine]: Dies of tuberculosis in bed, while Geoffrey Rush is trying to arrest Liam Neeson.
Percy Jackson & the Olympians: The Lightning Thief (2010) [Medusa]: Decapitated by Logan Lerman; her severed head is later used as a weapon. (Thanks to Warren and Tommy)