Winston's burial in the quicksand; the music really hammers home how this WWI pilot, who is seen earlier on getting drunk, complaining about being retired, and missing his friends who died in the war, got in his plane one last time to battle a great evil and helping to save the world. His last words, before the plane crashes, are "Here I come, laddies" and laughing. He went out exactly as he had wanted.
Rick's reaction to turning a corner and finding a resurrected mummy roaring at him: scream at it, shoot it in the face with a shotgun, and run.
"Go back to hell, and take your friends with you!!"
the entire movie is one big CMOA for Evelyn, culminating in the final scenes where she risks a second death to rescue her husband from the abyss, while her murderer, Anck-Su-Namun, cowardly flees and meets a just end.