Favourite Movie Duels?

What are sone of your guys favourite movie Duals.



To define Duals for me they'd be any kind of confrontation by the protagonist and antagonist but one that has either been built up over the course of the movie into a long anticipated showdown or the first fight done in a calm before the storm type of dramatic scene



For example the Train fight in Spider-Man 2 despite being the best CBM action scene wouldn't qualify as the characters fought previously and it wasn't dramatically built up.



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My pre-liminary list:



Luke Skywalker vs Darth Vader - Empire Strikes Back

Caesar vs Koba - Dawn of The Planet of The Apes

Obi-Wan vs Anakin - Revenge of The Sith

Neo vs Agent Smith - The Matrix

The Bride vs O-Ren - Kill Bill Vol.1

Wolverine vs Yashida - The Wolverine

Jack Sparrow vs Hector Barbossa - Cure of The Black Pearl

Beatrix Kiddo vs Bill - Kill Bill Vol. 2

Amsterdam Vallon vs Bill The Butcher - Gangs of New York

Sean Archer vs Castor Troy - Face/Off

Gibson vs Fender - Cyborg

Blade vs Deacon Frost - Blade

Frank Dux vs Chong Li - Bloodsport