What I think may happen is something akin to what happened to the Nixon Presidency. That is, we elected Nixon and Agnew and got president Ford. Our current "Agnew" is clearly not up to the task and is imploding almost faster than our current "Nixon". And I believe their handlers planned this whole thing. Biden may be incompetent, but his handlers are certainly not. The only question is, who gets to play the part of Ford?
Personally, for maximum entertainment I think it should be Mayor Lightfoot.
Honorable mention would go to AOC.