The more I look at that preview, the funnier it gets.
Quire: "IMMA PHOENIX!! GRRRRRRRR!!!"
Jubes: "Did I leave the stove on?"
As desperately as I want it to be Penny, it'll probably be Mondo. Because the universe is cold and indifferent. In addition to being very busy, Emma was a teacher, not an actual team member. (Although having her show up would be awesome).