You mean, akin to how Bush Sr. was eventually succeeded by Bush Jr. after Clintonian Interregnum?
That's not how it works. Even if Trump loses, he still has solid chances to remain in politics under the mantle of Republican kingmaker, dedicated to amplifying and covering Biden's misheard lyrics, of which without any doubts will be many. Speaking in terms of Control, he doesn't need extension of his slide projector object of power field, if the barycenter of power can be tugged outside both main houses of power.