His death is seen in the following films:
• The Shootist - He is killed in a gunfight in at the end of the film.
• The Cowboys - He is killed by Bruce Dern's character.
• The Alamo - Playing Davy Crockett, he is killed by a Mexican soldier's lance.
• Sands of Iwo Jima - He is killed by a sniper's bullet at the end of the film.
• Wake of the Red Witch - He dies as the ship sinks.
• The Fighting Seabees - He is shot by a sniper.
• Reap the Wild Wind - He is killed by a giant squid.
His character death is not shown in the following:
• The Man Who Shot Liberty Valance - His character is dead at the beginning of the film and the story is told in flashback by James Stewart who is attending his funeral.
• The Sea Chase - Lana Turner and Wayne are on a ship when it sinks, but the possibility that the characters survived is left open.
• The Deceiver - Ian Keith's character died, but the corpse was played by John Wayne.
• Central Airport - John Wayne has a very minor role as the co-pilot of an aircraft that crashes into the ocean.
https://en.wikipedia.org/wiki/John_Wayne
