That's a good crawl. It could use a few more commas and apostrophes like this:

Relentless in their pursuit of the freedom fighters, the Imperial Starfleet led by DARTH VADER has driven the Alliance to the fringes of the galaxy.

Anticipating the Rebels' every move, the EMPEROR has prepared for them a final defeat by ordering the construction of a terror weapon more destructive than the first dreaded Death Star.

Unaware of the sinister plots laid against him, Luke Skywalker has returned to Dagobah to complete his training as a JEDI KNIGHT and to prepare to rescue Han Solo from the vile gangster Jabba The Hutt...