Meager chances, ranging from thin to zero. In current scenario Zardari sahib is all in all of the party. In future setup Bilawal will hold the key as wished by the BB. As you pointed about Asifa that she will step in politics too. Then be prepared for another BB- Murtaza episode and that will be a final blow.

__________________
“There is no God but You (Allah Almighty), You are far exalted and above all weaknesses, and I was indeed the wrongdoer”. AL-QURAN