Valerian and the City of a Thousand Planets is an ambitious movie. Perhaps too ambitious. It has a lot of world building to accomplish and that detracts from the narrative.
It did make me curious about the source material.
I honestly think this would work better as a series than as a movie.
Starring: Dane DeHaan, Cara Delevingne, Clive Owen, Rihanna, Ethan Hawke, Herbie Hancock, Kris Wu, Sam Spruell, Sasha Luss, Aymeline Valade, Elizabeth Debicki, Pauline Hoarau, Barbare Weber Scaff
A dark force threatens Alpha, a vast metropolis and home to species from a thousand planets. Special operatives Valerian and Laureline must race to identify the marauding menace and safeguard not just Alpha, but the future of the universe.