Well new footage is kinda meh but here it is

Dormammu Gameplay:
YouTube - MvC3 Dormammu

MvC3 Character montage (nice little Episode 2 teaser at the end)
YouTube - MvC3 Characters Video

V Joe Gameplay
YouTube - MvC3 Viewtiful Joe

I imagine they're saving the big stuff for TGS which is next month.