Now that’s a casting I could see. James Marsden already has action experience from his time as Cyclops in the X-Men trilogy, so he could be a great fit for Cage. While Josh Lawson had someone specific in mind, Jessica McNamee, who plays Sonya Blade, is more concerned about the audition process rather than the actor:
Article source: https://www.cinemablend.com/news/2566296/mortal-kombat-next-johnny-cage-sequel-jax-kano-sonya-hbo-max