Scott Pilgrim by Bryan Lee O'Malley
Magneto by Jim Cheung
Kaare Andrews Magneto.
Steve Lieber Dr. Doom.
Phil Jimenez Thanos
Hero Brown (from Y: The Last Man) by Pia Guerra (got this for a friend)
Mike Choi Emma Frost
...and Bru had a few words.
I finally found Jim Cheung's table and picked up this page from New Avengers # 25:
Thanos by Whilce Portacio.
A ten minute Punisher by Darrick Robertson...which he started on AFTER the con ended.
Finally, a Jeff Parker Cyclops for David.