New Delhi, Oct. 30 -- LOS ANGELES - Patrick Stewart's death leaves one last chapter of his screen career still waiting for movie audiences. The actor who made Captain Jean-Luc Picard and Professor Charles Xavier two of popular culture's most recognizable authority figures died October 28 at his Los Angeles home. He was 86.

Longtime spokesperson Kelly Bush Novak announced the death October 29, saying Stewart had experienced a "brief and poignant journey with Alzheimer's disease and Lewy body dementia." She said he had been surrounded by family and friends.

Yet Marvel Studios has already identified Avengers: Doomsday as his final on-screen appearance. That places the announcement of his death before the public release of a performance tha...