We never got the Maz Leia scene from TFA, did we? They’ll probably pull footage/dialogue from that.
Maybe. There’s also another deleted scene that was on the home release. The Oliver Reed in Gladiator treatment would be fine, depending on what they have to work with.
I saw on Twitter that there was also a scene filmed of Leia at the Republic asking for ressources.
Are you sure it’s not the included deleted scene where she sends Kor Sella to the Senate? Or maybe a scene of Kor Sella at the Senate, and not Leia?
Considering Kor Sella (and the Republic Senate) dies in TFA, I wouldn’t think any of that would work for IX.