This list is speculated so is not sure to see this games in the E3:
Acclaim:
Alias
XGRA
Activision:
Lost Kingdoms II
Pitfall
Capcom:
Dead Phoenix
Killer 7
Mega Man Battle Network 3(GBA)
Mega Man Zero 2(GBA)
Onimusha Tactics(GBA)
P.N. 03
Resident Evil 4
Viewtiful Joe
Electronics Artists:
Medal of Honor: Rising Sun
Infogames:
Driver 3
Dungeons and Dragons Heroes
Enter the Matrix
Konami:
Boktai(GBA)
Street Kings
Teenage Mutant Ninja Turtles
Metal Gear
Lionhead:
The Movies
Unity
Lucasarts:
Full Trottle
Gladius
Namco:
Star Fox Armada
Ridge Work Latest Work
Soul Calibur II
NINTENDO:
1080
Advance War 2 (GBA)
Animal Crossing 2
Donkey Kong
Donkey Kong Countr(GBA)
Kirby's Air Rider
Kirby: Nightmare in Dreamland
Mario 128
Mario Sports Titles (Kart, Tennis, Golf)
Metroid Prime 2
Mother 3 (Earthbound)
New Factor 5, ZoonamiGames
Pikmin 2
NEW Zelda (GBA)
NEW Zelda
Super Mario Advance 4
Made in Wario
Wario World
Sega:
F-Zero
NEW Camelot, United Artists Games
Shining Soul 2(GBA)
Sonic Pinball Party(GBA)
Virtua Fighter Quest
Square:
Final Fantasy Crystal Chronicles
Final Fantasy Tatics (GBA)
Shinyaku Seiken Densetsu(GBA)
Take-Two Interactive:
Conflict 2 (tentative title)
Ubi Soft:
Harvest Moon: A Wonderful Life
Harvest Moon: Friends of Mineral Town
Prince of Persia: The Sands of Time
Vivendi:
Starcraft: Ghost
Remember, just speculation