Zimmer is no stranger to collaborating with other composers, and they both have a lot in common with the way they approach music and sound. Tenet was a masterpiece so Goransson alone would be fine too.
He's the most innovative when it comes to working with Chris, & they definitely have the most synergy between them stylistically. Not to mention Zimmer's greater mastery at developing an audio language (listen to Dune's sketchbook, the textures & mixing of it all is insane, plus it's extremely experimental & fresh). Ludwig is great but Chris deserves to be working with the best in the industry & that would definitely be Hans.
I'm not sure Hans would be on board though since he has an upcoming tour & possibly Dune 2.