The reality is, when we initially wrote this scene we wrote that they got together and they had their final mano-a-mano fight.
And it kind of reminded us, harkened back to, the sparing scene in the beginning and, they kind of duke it out and this time Captain Marvel wins.
But then, as we were writing, and discovering this character and discovering what her journey is we thought ‘why should she be playing by Yon-Rogg’s rules at this point in the movie?’