Movie based on another work of fiction in another medium? Yes.

On an island? Yes.

Form of AOTC? The AOTC is [Mountain Name]. But the judges would accept an answer in a similar form to "The mountain which stood in for the Lonely Mountain in the film version of the Hobbit"
Aoraki, which stood in for the Lonely Mountain in the film version of the Hobbit? No. *applause*
North of the equator? No.

Released in last four years? No.

JRRT? Yes, because the AOTC is indeed Mount Ngauruhoe, the volcano that was used to represent Mount Doom in the LotR films. Mount Ngauruhoe is a mere 25 km away as the Nazgûl flies (can you have just one Nazgûl?) from where I have been hanging out for the past few weeks. It's a spectacular mountain.

This AVMA was taking so long that I seriously considered just throwing the baton away when we were hiking near the mountain a week or so ago. But I'm glad I didn't, because now I can hand the baton over to Rack. Which I'm totally going to do. Only maybe just not yet.

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s/Rack/Raak, obvs. But he still can’t have the baton.

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Where's Gollum when you need him? Anyway, the next is ABSTRACT with ANIMAL connections.

Hang on, I forgot what I set already. (There is no antimemetics division.)
(thinks)
Ok, the next is MINERAL.

1212, oh dear, more numberspam. Sorry.

Quick, before it changes again!

[Tuj] Your observation has collapsed the wave function. It is not a stone etched with the AOTC (AOTS?).

[SM] (After some research.) It is not larger than the Great Pyramid.
[CdM] It is unique.

[R] Partly man-made.

[SM] You can walk inside part of it, but a simple "no" might be a better answer.

[SM] I think it unlikely, but I don't know.
[C,R,B] Neither Holy, nor Roman, nor an Empire a dam, nor a quarry, nor a barrow.
Calling it partly man-made may have been misleading. A simple "no" might have been a better answer there also.

[C] Not a natural cave.

Yes, it exists on Earth today.

[CdM] Yes, a geographic feature!