The Warriors
Knight and Day
Stand by me
The Lost Boys
The Perks of being a wallflower
The Breakfast Club
I'd buy them all
Defo agree with you on The Warriors and Stand by me!
I love continuity so I would have to say any film series, I would want every prequel and sequel to go with it. So it would to be the below for me:
Predator Trilogy
Alien Anthology inc Prometheus and all the VS movies
Night, Dawn, Day, & Land of the Dead
Lord of the Rings Trilogy
Hobbit Trilogy
Jaws Anthology
Dark Knight Trilogy
Evil Dead Anthology
EVERY SINGLE BRUCE LEE MOVIE!!
Star Wars film series
Jurassic Park Trilogy ( think they are already doing this aren't they!)
Rise & Dawn of the planet of the Apes
Ice Age anthology
And for standalone films:
Dog Soldiers
The Green Mile
Deadpool
Eden Lake
Sausage Party
Uncle Buck
The Revenant
Goodfellas
The Departed
Once were Warriors
What becomes of the broken hearted
Lock Stock & two smoking barrels
Death Sentance
The Descent plus the sequel
Terminator Salvation