As in recent years, Nintendo will focus its E3 activities on games coming soon, with a special spotlight given to a key headlining title: the recently announced Super Smash Bros. game coming to the Nintendo Switch system this year.
Games launching beyond 2018 will be featured at a later date.
https://www.nintendo.com/whatsnew/detail/nintendo-outlines-plans-for-e3-2018

2018年発売のSwitchソフトのみ紹介
2018年以降のソフトは後日紹介