The post-credits scene on the soundtrack explains what could happen to Julia Louis-Dreyfus on this show.

Some spoilers will be added to this article for Black Panther: Wakanda Forever. Do you know what it is about heart-shaped herb? How did Shuri attempt to synthesize the new one?

The heart-shaped herb grows in an acidic soil. It is necessary to consume this herb to become the superhuman Black Panther.  

.He killed T'Challa hoping to block him from using the powers of the Black Panther. Lupita Nyong'o saved one and brought T'Challa back to life. With the beginning of Wakanda Forever,  

there is no way to save the dying T'Challa. Shuri eventually synthesizes a herb from a vibranium relic.What is happening with Nakia in Haiti? 

Remember that poor Nakia was lost twice. Thanos died when he reappeared in Avengers: Endgame. After this she wasn't back, even after T'Challa's funeral. 

The time Shuri refuses to take is a thing she takes to grieve.There is another thing that she’s been doing that won’t be revealed until the mid-credits scene. 

How does one master the mid-credits scene? Are there any post-credit scenes in TV movies? T'Challa and Nakia had secretly adopted a son.

T'Challa Jr. believes her husband has been raised in Haiti away from royalty, per T'Challa's wishes.  scene ends there! There is a message reading “Black Panther will return”. 

They are just trying to make fun of Marvel products in the midcredits. Why does Nakia have a wonderful son's name?