Come up with a question and stream of consciousness reasoning that would justify this answer: no
The question is: Does Robert Downey Jr's Marvel Cinematic Universe character survive the Infinity War?
Stream of consciousness: Robert Downey Jr. plays Iron Man in the MCU. At the end of Avengers: Endgame, Iron Man uses the Infinity Stones against Thanos. The stones are too powerful for his human body to handle, so he dies after using them.