Villains are solely nearly as good as they’re written, which means there may be nothing inherently mistaken with Kang as a foul man. Certain, Jonathan Majors’ real-life authorized troubles tainted the position, however Marvel might have completed harm management.
All they needed to do was change instructions with Kang, not substitute him with Physician Doom. Recast the position, write some higher materials, and construct upon what already exists to make him a formidable foe.
If Feige nonetheless wished one thing near that RDJ response, he might have solid somebody like Denzel Washington to play Kang. Or heck, carry again Michael B. Jordan. It might be simpler to clarify him as Kang than Robert Downey Jr. as Physician Doom.
However no, let’s rename Avengers5 from The Kang Dynasty to Doomsday. The one means I’ll be happy with this new improvement is that if they pull a Poochie to swap out Kang for Physician Doom. “The place’s Kang?” “He died on the way in which again to his dwelling planet.”