George Lucas looked to a lot of inspirations from a wide range of work when he was first creating the original Star Wars.
Dune will have to look original, but Star Wars already took some of its original ideas.
So, when Denis Villeneuve says that there’s a challenge of making a Dune movie that everyone will compare to Star Wars, he’s got a point.
Both feature a desert planet with a moisture based economy, spice smugglers, obese interstellar antagonists, and a mystical group with mind control that has great influence over galactic politics.