I believe Lord Feige has already gone on record that after Downey Doom and Secret Wars, the next "saga", will be the "Mutant Saga" or "Mutant Age" (I can't exactly what he called it), and, with Dafne the perfect age to grow into the character; the perfect age to fit in with the likes of Iman Vellani (Ms. Marvel), Hailee Steinfeld (Kate Bishop/Hawkeye), Xochitl Gomez (America Chavez), and Kathryn Newton (Stature), to name a few, for the Young Avengers team; and the fact that X-23, is now the new Wolverine, in the comics; and finally the fact that she's so beloved, by the fans, due to her scene-stealing performance, in Logan, it only makes sense to utilize her, just like Hugh, for MANY movies. She COULD, and maybe SHOULD, get her OWN trilogy, not to mention these other team-up-type movies. That'll keep the Mutant Saga going, for awhile.