It feels like Disney has painted themselves into a corner, she a central character in a lot of their future plans and she doesn’t have the same name recognition of a Robert Downey Jr or IronMan, for those plans to be the billion dollar blockbusters of the past she (actress and character) needs to be a lot more popular than she currently is.
Despite the show not having a huge audience, and the movie being just ok, Iman was fairly unanimously credited as the highlight of both, as long as the budget is reasonable, and the writing is good, a second season makes a lot of sense to expose more people to Iman/Kamala before she heads up the next movies.