The god who gives Black Panther his powers is known as Bast, couldnt find a reference to Bast as a real life Egyptian god on google.
Closest you’ll likely find as far as Egyptian mythology is going be the goddess Bastet
Bastet
Bast is another name for Bastet, along with Ubasti. It’s just a region naming.
Ancient Egypt was conquered numerous times over thousands of years before Ptolemy, and Rome, and the Islamic Conquests. Nubian - which came from southern parts of the Sahara, also conquered Egypt and inhabited the region and adopted much of the religion as well as combining it with their own elements.
Much like the Olmecs were precursors to the Aztecs and Mayan, but had very similar religious myths.