Hmm, Friday prediction.
Friday is master of Subspace Emissary updates by far (6 of them on Friday, compared to 6 of them combined between Monday, Tuesday, and Wednesday), but I don't expect one of those; besides being infrequent in general, they've probably showed off about all they want to show off before the game's release.
Friday is also master of stage updates, but we just had one of those on Wednesday, and the only time we had two stages in one week was in the period of July 23rd to July 27th, 2007. (Well, more accurately July 23rd to July 25th, but hey.)
So what else is there?
Special moves: Nah. The only ones left are all for veterans, who seem to have been largely avoided since the beginning of the Dojo (exceptions being Mario with his new move, Kirby with his funny pictures, and--for some reason--Fox with absolutely nothing changed).
Final smash: Nah. Only one left is Zero Suit Samus, and Friday's only had two final smash updates out of twenty-three.
How to play: Nah. Friday sucks at those, 2 out of 18.
Game mode: Maybe.
Item: No. Very infrequent update type in general, and Friday is the least even among what little there's been.
Assist trophy: No.
Poke Ball: Friday's never had one.
Music: Nah; had it on Wednesday.
Character: Maybe.
I predict the statistics page.