Electronic Arts and Activision have already confirmed they won't have booths

WOTLK Classic -focused site Blizzheart posted an invitation it received from Blizzard; the invitation says "There are whispers around the Tavern… Come listen closesly and discover the next WOTLK Classic expansion at a special live-streamed event WOTLK Gold. " The date on the invitation sets it at 10 AM PST on March 11--this is the exact same time the Americas Winter Championship starts.

Electronic Arts and Activision have already confirmed they won't have booths on the E3 2016 show floor...