Which is probably a good thing, considering Captain America: Civil War has made the Earthbound portion of the MCU into a political playground of differing ideologies, making it exactly what folks probably don’t want to focus on right now.
Captain Marvel herself, still needs to be introduced, there’s a lot of out of this world action that needs to be had.
Considering that Thor: Ragnarok has integrated a lot of story elements from Planet Hulk, Thanos is a “main character” in Avengers: Infinity War and Carol Danvers, a.k.a.
Now that Kevin Feige has officially sent the Marvel Cinematic Universe into space for many of the upcoming movies, the pieces are all starting to fit into place.