One common theme could be cultural exchange. The white guy character might be introduced to Wakandan culture and have to adapt to it. For example, learning about the unique technology and traditions.
I'm not sure of specific 'Black Panther White Guy Fanfiction' titles off the top of my head. But you could try searching on fanfiction websites like Archive of Our Own. They usually have a wide range of fan - created stories related to 'Black Panther' that might include what you're looking for.
One popular story could be about a white guy who becomes an ally to the Black Panther in his fight against evil in Wakanda. He might use his unique skills, like technological knowledge from his own background, to assist the Black Panther.
Definitely not. Black Panther has always been represented as an African superhero in the comics. His background, culture, and appearance are firmly rooted in African heritage.
No way. In the comics, Black Panther is firmly established as a black character. This is a fundamental aspect of his identity and has remained unchanged throughout.
First, do your research on the Black Panther lore, Wakanda's culture, and its characters. Then, create a believable character for the white guy. Give him a unique backstory and motivation. For example, he could be a journalist trying to expose the truth about Wakanda to the world in a positive way.
One great 'Black Panther' fanfiction is 'The New Wakanda' which explores a Wakanda that has to face a new, unseen threat. It has great character development for T'Challa and his sister Shuri.