I think based on two-thirds of the page alone, most of your readers can already tell who returns to the spotlight. While I won't say the name, I'll say that the last five panels should be a dead giveaway.
I'm sure the confrontation will turn out to be very interesting!
This is a really fast paced chapter! It really helps set the tone with "Gotta hurry or everyone is DOOMED!"
-impatiently waits for the next page-
I'm sure the confrontation will turn out to be very interesting!