The 20-year-old Mortaza was ruled out for five weeks after injuring his right knee last week during the second Test, which England won by 329 runs to clinch the series 2-0.
All-rounder Khaled Mahmud was retained as skipper of the 13-member squad named by the Bangladesh Cricket Board on Monday.
Squad:
Khaled Mahmud (captain), Habibul Bashar, Khaled Mashud (wicketkeeper), Hannan Sarkar, Rajin Saleh, Alok Kapali, Mushfiqur Rahman, Mohammad Rafique, Tapash Baishya, Mohammad Moniruzzaman, Anwar Hussain, Mohammad Jamaluddin, Nafees Iqbal.