As it turns out, the footage from Captain Marvel that was shown at CineEurope was more than just a behind-the-scenes featurette.
Hopefully some of the Captain Marvel footage makes its way online in the coming weeks, but until then, you can read more about the featurette that was shown at CineEurope over at MCU Cosmic.
“Finally the Captain Marvel presentation did feature footage as opposed to Kevin Feige sitting in a chair the whole time, and it was meant to introduce people to Carol Danvers.
As for Carol Danvers, she will be taking over the MCU after Avengers 4.