Black Panther: Wakanda Forever establishes Shuri as the MCU's new Black Panther, though the mantle is one she inherits reluctantly.
After finally figuring out how to synthesise the heart-shaped herb, the Wakandan ingests it and is met in the Ancestral Plane by Erik Killmonger. That initially sends her down a dark path, though Shuri does eventually embrace her inner hero after hearing her mother's voice following a near-death experience during the fight with Namor.
In the Black Panther sequel's mid-credits scene, Shuri is introduced to T'Challa and Nakia's son, Toussaint. Before being dusted by Thanos in Avengers: Infinity War, Black Panther and Nakia had agreed the boy should be raised in Haiti in order to avoid the pressures of the throne and, for now, his existence remains a secret.
Tragically, as he is only 6, T'Challa likely missed his son's birth and probably only met him briefly before passing away from a mysterious illness.
As Shuri gets to know her nephew, we learn that Toussaint's Wakandan name is T'Challa, son of T'Challa.
Prior to this scene, Shuri is shown planting an entire garden of heart-shaped herbs, so the door is open to T'Challa one day becoming the new Black Panther in his aunt's stead.
There's no real precedent for T'Challa having a son in the comic books, and certainly not with Nakia. However, the hero's child was introduced as part of an alternate timeline in 2010's Avengers #1, and Azari was T'Challa and Storm's son. He first appeared in the animated movie, Next Avengers: Heroes of Tomorrow, but the two characters have little else in common beyond their father.
While we may be waiting anywhere from 10-15 years before seeing the MCU's new T'Challa suit up, we can't help but wonder if Kang the Conqueror's upcoming Multiversal and time-travel shenanigans might speed the process up somewhat.
Black Panther: Wakanda Forever is now playing in theaters.