Both batsmen will be participating in the series starting in the West Indies later this month.
Selectors say squad will train under head coach in Lahore for three days before leaving for tour in the Caribbean.
Captain backtracks from earlier hints that he would retire from international cricket after losses in Australia.
Spokesman for Peshawar Zalmi says all foreign players have been issued visas and are expected to participate in Lahore final.
Quetta Gladiators to face off against Karachi Kings or Peshawar Zalmi in Lahore final.