Who said this?

don't kill him, if ya kill him,ya wont learn nothin..??

Riddler
"Batman and Robin"

The Riddler was in Batman Forever. Batman & Robin had Mr. Freeze and Poison Ivy.

oh yeah, oops oh welll

"dontcha wanna look like everyone else?"
"one shouldn't have to."

😄 X2.
Thou I think Nightcrawler's quote is wrong.
I think he says. "Why not walk around in disquise (something like that), look like everyone else?!
And Mystique replies "One shoudnt have to."

Looked around and here is the correct quote:

Nightcrawler: They say you can imitate anyone, even their voice.
Mystique: [as Nightcrawler] Even their voice.
Nightcrawler: Then why not stay in disguise all the time? You know, look like everyone else.
Mystique: Because we shouldn't have to.

What about this: (An easy one I'll admit.)

"Help, Help, I'm being repressed."

the peasant digging in "Monty Python's Search for the Holy Grail."
How about -
-Take out this fargin wall and that fargin wall. THIS IS FARGIN WAR!!!!

Roman Moroni in "Johnny Dangerously"
How about this:
"Why does God get all the good worshipers and we get all the retards?"

Satan I believe, in "Little Nicky"

Let's try - "Dude, I think I filled the cup."

Jay in "Jay and Silent Bob Strike Back" - Snoochie Poochie !

How about " I feel the need...the need for speed ! "

Jay and Silent Bob Strike Back- Jay

What about this:
"A gun rack.. a gun rack. I don't even own a gun, let alone many guns that would necessitate an entire rack. What am I gonna do... with a gun rack?"

Wayne's World - Mike Meyers

How about " 1st place is a Cadillac, 2nd place is a set of steak knives, and 3rd place is your fired ! "

Originally posted by A.D. Skinner
Jay in "Jay and Silent Bob Strike Back" - Snoochie Poochie !

How about " I feel the need...the need for speed ! "

Goose and Maverick in "Top Gun".
Still one of the best movies to have the surround cranked up.

Originally posted by A.D. Skinner
Wayne's World - Mike Meyers

How about " 1st place is a Cadillac, 2nd place is a set of steak knives, and 3rd place is your fired ! "

"Glengarry Glenn Ross", but I had to cheat on that one.

Okay - said with a sigh "The horror...the horror"

Apocalypse Now- Kurtz

"She bit you?"
"No, her dog."
"Oh, she bit her dog."

Wizard of Oz....( took me awhile for that one )

"Check out the big brain on Brett ! "

I am totally stumped!

Hint 1 - "You know what they call a Quarter Pounder in France ?, A Royale with Cheese"