Having said that, everything we know about the deal between Marvel and Sony that brought Spider-Man into the MCU indicates that Spider-Man: Homecoming is, for all intents and purposes, a Sony movie.
Previous indications had been that Sony’s plans to do more movies using Spider-Man related characters were going to be their own thing.
The comments to Germany’s Filmstarts would seem to contradict previous statements in this regard.
It’s not clear how much Marvel can do if Sony wants to pay Tom Holland to show up and flirt with Black Cat.