Names some films with famous spoilers

The Crying Game

Se7en

In that vein: On Her Majesty’s Secret Service

WHAT’S IN THE BOX???

Love this movie.

If I were to guess it’s that Chris (Sheen) kills Barnes (Berenger).

Who kills who in the end.

Fatal Attraction

The Last of Sheila
Sleuth
Body Heat
Robocop
The List of Adrian Messenger
The Nutty Professor
(Jerry Lewis version, with the “surprise middle”)
Rough Cut
Psycho
The Village

Mirage
Fight Club

Ace Ventura: Pet Detective

Oldboy (the original Korean film, not the remake by Spike Lee, which I haven’t seen). It was the most shocking revelation in any movie I’ve ever seen.

Movies with a twist are my favorite and this thread is making me want to discover a new one.
Whatever Happened to Baby Jane? is a good choice for an older film

Memento

Us

Ooh, good one!

I was thinking of The Other the movie from 1972 about twin brothers. Is that the one you mean?

And Then There Were None
Murder on the Orient Express

No, this is the 1981 movie with Nicole Kidman.

My partner had only ever seen one Bond film, so being the good boyfriend that I am, I kindly watched all 25 in order with her. When it came to On Her Majesty’s Secret Service, she was genuinely stunned when Bond got married and said so during the film. Of course, I had to keep my mouth shut for a few minutes, and so she was even more shocked when Tracy was killed.

Oh and in the same vein, does a certain other Bond film count as having a well-known spoiler by now?

Yes, I know.