Alrighty, didnt get em all... but I got pretty close. Might not all be exactly what you were thinking of but some of those were pretty vague.
Thulsa Doom gets beheaded, Conan the barbarian
"Rosebud" is a sled, Citizen Kane
The boat sinks, Titanic
Shes a He, The crying game
Germany loses the war, Every WWII movie
America wins the war, Red Dawn

The guy gets his revenge, Nevada Smith
the woman gets her revenege, Kill Bill volume 1
the little girl gets away, Waterworld
the underdog soccer team wins with 1 point, A shot at glory
it was all in her head, Mullholand Drive
Jack IS tyler, Fight Club
He IS an assassin, The manchurian cantidate
there is a conspiracy, conspiracy theory
he gets crucified, Spartacus

the plane crashes, Con Air
the asteroid gets destoryed, Armageddon
the asteroid hits the planet, Deep Impact
the creature is a creation of the scientists ID brought to life by the planets machines, Star Trek
The monster kills Frankenstein and then himself, Mary Shelly's frankenstein
it was a game after all, The game
Bruce Willis is dead, The sixth sense
his soul is in the briefcase (purported), Pulp Fiction
Soylent green is people, Soylent Green
the damned apes destroyed it, Return to the planet of the apes
Darth Vader is Luke's father, Empire strikes back
it is a devil-baby, Rosemary's Baby
the hunter becomes the hunted, The Hunted
the Joker dies, Batman
Neo dies, The Matrix
Gollum dies, return of the king
Diz dies, starship troopers
the samurai save the village, the seven samurai
the POWs are beheaded, Braveheart
frogs rain from the sky, Magnolia
Voldemort is foiled, Harry Potter
Lenny already killed his wifes killer, Momento
Detective Mills becomes wrath, Se7en
The android is rescued by robots from the future and gets his wish, A.I.
the vikings kill the cavemen and the Arab gos home, The 13th warrior
It is an elaborate computer-generated "dream world" used to keep mankind complacent while their bodies are used for power production, The matrix
the car is possessed by the ghost of its original owner, Crhistine
she kills the whole highschool, Carrie
tetsuo becomes a demi-god and destroys Neo-Tokyo, Akira
the Green Goblin dies, Spiderman
Lestat lives, Interview with a Vampire
It was all a dreamland created by a farmgirl, The wizard of oz
Wesley and Buttercup live happily ever after, The princess bride
Fiona is an Ogre, shrek
a computer virus kills the aliens, Independence day
Kurt Russel may be an alien, The Thing
he gets rescued, Castaway
Mr.Glass is the villain, Unbreakable
the revolt fails, Spartacus
the revolt is successful, The patriot
hes in a drug-induced haze the whole time, fear and loathing in los vegas
the alien homeworld is destoyed, Final fantasy
the child escapes from the cannibal,
Leatherface is still at large, The texas chainsaw massacre
the zombies cannot be stopped, Dawn of the Dead
the disease kills the teens and gets in the water supply, Cabin fever
the ship is captured, Star Wars
hit by a train, final destination
the submarine sinks, u571
the girl defeats the Loc-Nar, Heavy Metal
caveman gets reunited with girlfriend, Encino Man
hes gay, Saving Silverman
the plane lands safely, Always
killed by rednecks, Wrong Turn
the boat lures people to their graves, Ghost Ship
she was murdered, Sixth Sense
the werewolf is still alive, Dog Soldiers
the sheriff is killed, Tombstone
hes really the devil, Devil's advocate
they escape the island, Lord of the Flies
the shark gets killed. Jaws
It's Gweneth Paltrow's head in the box, se7en