I don't hate the idea, but from Marvel's perspective, they are at a pretty good spot to cut and run.
The Loki finale was a solid cutoff point for the particular Kang variants that it covered. And there is not set rule that says that Kang, if he returns, has to resemble his other forms. In fact, it would be a nice mislead if they suddenly and surprisingly had him resurface as someone else.
That said, Marvel could definitely pull the guts move of the century if they had Majors reappear as Kang. If you thought If they thought I was hype for that first Thanos cameo, they have no idea how much I would flip if dude just popped up with no warning like, "Hey. Remember me?"
Fing fang foom^^^^
you just said it all.