Answer:
The climax fight.
Explanation:
People are willing to pay for a movie if they find interest in it and can relate to their story. The movie ticket can be increased if people are taking interest in the visuals. Usually the climax scene is the most important as this is the last impact on the audience. The beginning of the movie should not be slow so that audience starts to loose their interest in it. The plot development should be quick and impacting.