Schwarzer Panther (2014) Wiki -

It is revealed that the siblings share a "forbidden" love—a deep romantic and physical attraction that goes far beyond traditional sibling bonds.

"Black Panther" received widespread critical acclaim, with praise for its groundbreaking representation, Afrofuturist themes, and Coogler's direction. The film was a commercial success, grossing over $1.3 billion at the box office. schwarzer panther (2014) wiki