He is being Joshua - quiet, secretive, and keeping to himself. I am sure he is quite content to let the discussions be blazing rows over Jason's quad, whether Max's turn as the Swan Prince will be rewarded, debates of Chen's level and prospects. Meanwhile, I would bet he is working with Buttle, quietly piecing together another breathtaking masterpiece that will leave us all in floods of tears over its beauty.
And then he will stand, and they will be shoulder-to-shoulder, the graceful artist, the warrior Swan Prince, the elegant dancer - and together, they will go to Boston, and show the world what they are made of, that they as a team are to be feared - a perfectly balanced team the like of which the US will not have seen in years.