Aboard the Sail Barge, Leia smashes the controls for the Sail Barge's interior lights, throwing it into darkness, and proceeds to strangle Jabba with her chain, killing him, Leia jumps off of the throne and has R2-D2 help break her chain, then heads for the stairs to the top surface of the Sail Barge.
Lucas also chose not to direct Return of the Jedi himself, and started searching for a director. Only by completing his Jedi training can he become a true Jedi Knight and defeat Darth Vader and the dark side of the Force.
And speaking of Marquand, he wasn't the first choice for Jedi. Ewoks were a late addition to the Star Wars mythology. Leia looks around, ready to use her false submission to the Hutt to her advantage.
For instance, the Ewoks were going to be Wookiees the Millennium Falcon would be used in the arrival at the forest moon of Endor. The production team made several attempts, but were unable to create an adequate result.
Or the second, or even third. Returning to Dagobah Edit Yoda dies and becomes one with the Force. Jabba, furious, chokes Leia until she falls back on his belly, and orders the prisoners to be brought before him.