I'm a dumbass and I've JUST made a very "DUH" discovery. I was thinking the blue screen foot we're seeing was laying flat and the whole thing was a foot. But actually they probably rotate it up. Or, he's lieing down for a scene ... either way, what we're seeing is his foot and some of his leg: Ok, now it makes WAY MORE SENSE!! Yeah, that's DEFINATELY Megs foot.