Nintendo has confirmed that it will be hosting both the Splatoon 2 World Championship 2018, and Super Smash Bros.Invitational 2018, in an E3-related event in Los Angeles, CA on 11th - 12th June.
Doug Bowser, Nintendo of America’s Senior Vice President of Sales and Marketing, has said the following:
“Nintendo always takes an original approach to video game competitions, and the portability of Nintendo Switch enables unique gameplay possibilities. We’re looking forward to watching some of the best players in the world test their skills against each other in these two uniquely competitive games.”
The Super #SmashBros Invitational 2018 and #Splatoon2 World Championship 2018 tournaments will take place in Los Angeles the week of #E32018! Watch the competition on Nintendo’s Twitch & YouTube channels when the tournaments are live-streamed 6/11 & 6/12. https://t.co/wz1pIT8ndU pic.twitter.com/3itUOH8rgH
— Nintendo Versus (@NintendoVS) March 22, 2018
Also Nintendo E3 cite is open. :)