Ruuz
Mathayus the Scorpion King, a character now played by an American Samoan, a Filipino German, a French Canadian, and a Jewish American (and seemingly getting smaller with each incarnation) is a ruler supposedly from Mesopotamia (modern day Iraq). Now I was never one to demand the nationality of the actor match that of the character (particularly one from so long ago that there is no way to be 100% certain exactly how said character may have looked). But it might be an idea to lock down a rough appearance to hold consistent throughout your own franchise.
Book of Souls purports to be the final entry in this very loose series of The Mummy Returns spinoffs. If they had continued in the vain of the third entry, that's something I m...