As a big Shuri fan who enjoyed her time as a BP, especially during the Liss and Hickman run, I cosign this.
T'Challa is finally getting his shine and is bringing a humongous boost to the BP franchise. Replacing him is a major mistake and does not benefit the BP franchise in the long term.
What Shuri fans should be pushing for in the long term is for her to become the "IT" black female superhero, as Princess Shuri of Wakanda. That lane is wide open right now, especially in the movie arena, and Shuri can fill in that void. She has the skills, intelligence, and personality to do so. Add her royal lineage and that makes her different from the pack. All she needs is an opportunity to shine and good moments.
Rather than replacing T'Challa, both characters should be used to boost the franchise. T'Challa has already been embraced by the brehs and a lot of brehettes. Shuri is gaining traction among the brehettes and can definitely be an appealing character to a lot of brehs. Together, they can bring to the BP franchise the strong and long term support of black fans, both male AND female, as well as support from the general audience.
Both characters can coexist and help the BP franchise rise to the top.
I'm rather pessimistic on that front. The closest person on paper who could lead a franchise is Storm, but her solo comic tanked and she's really not doing much in the movies, thus no one cares. Meanwhile, the MCU has be very slow in bringing in black female character. If I remember correctly, Civil War is the first time we saw a black female character in the MCU on the big screen. As for the Marvel side of the comics, its kinda wack on that front. There is Vixen in DC, but its as if DC is half-assing it. She's in arrow but she's sharing the screen time with a bunch of characters. Her animated series is there but isn't catching on as much as it could, probably due to its format.
Concerning Shuri, the best thing for her is to be involved in as many BP-related events as possible (comics, movies, video games, etc), continue to garner popularity, and eventually branch out into her own adventures as Princess Shuri. Thus, she'll have her own identity and adventures in a role that is exclusively hers--the Princess of Wakanda--and she can continue being a major boost to the BP franchise. Marvel appears to be doing just that and has included her prominently in the comics and also in video games. They should follow through and include her in the movie as well with a good showing.
Doing so results in the BP franchise having two popular characters (T'Challa and Shuri) that it can rely on to make things happen in various forms of media.
Monica Rambeau was just an example to show i wouldnt want any compromise by other sub demos if she was given a solo franchise as the first black superheroine.
One issue women have spoken up before about is the idea of legacy characters, she-hulk, supergirl, batgirl... to say how someone like wonder woman is ideal bc she isnt under a male's shadow. she's in her own lane and no one is there to lil homie her. also why a storm is ideal.
Right now it's T'Challas franchise, not T'Challa and Shuri's franchise. BP is the big homie, and Shuri is among the lil homies. So as a lil homie she should get the same perks of a Sam Wilson or Bucky or Rhodey or Batgirl as far as appearances and cool spots... maybe even some spin off comics or dlc or whatever, but the focus always comes down to the big homie saving the lil homies.
So im not shuri's biggest fan but i dont hate her either (so not to be misconstrued), i just see her as the lil homie, who should get her moments. but when we start talkin about gettin her own independent solo arcs in the big homies movies or becoming bp/queen by the 2nd or 3rd movie... ok, then it sounds like just wanting your fav character to lead or co lead more than anything (all the social justice stuff aside).
Which is cool, but i dont have a similar compassion for her in that regard, as a fan, nor see her as that ideal answer; just a potentially popular lil homie like batgirl is.