If we consider the F35 to be the equivalent of the F15 /Tornado/Typhoon (particularly in cost) - the next big project is the F16 replacement , in terms of cost (hence quantity) and exportability.
An individual country could do that especially if the airframe was tailorable for alternate engines and systems.
"Exportability" and "tailorable" do not seem to be genuine words and my sentences seem to be under the influence as well today !