List of Spoilers:

Dumbledore dies
Jim and Pam live happily ever after
Augustus Waters dies
Rachel and Ross end up together
Tyler Durden doesn't actually exist
Ned Stark is beheaded
Bruce Willis was dead the whole time
Neo is "The One"
The alternate "Lost" reality was purgatory
Sophia was in the barn the whole time
It was Gwenyth Paltrow's head in the box
Vaeder is Luke's father
Iron Man dies, Black Window too.
Arya kills the Night King