Just a few comments from my side:
1. End of may seems to be a great release date for Xeno Remake. To deliver it out before E3, is definitely a right move. But beside of that, I highly doubt that we will see another game of Monolith Soft this E3. They are working on Xeno Remake + supporting work for BotW 2 and Animal Crossing. I know that they improved their staff very strongly, but I don't think that their next big project will be released before summer 2021 (at the earliest). Due to that, they will not reveal it so early.
2. I don't think that the ports of Mario 3D World and Pikmin 3 will be released so close to each other. One of them in April/May and the other one in autumn - thats my guess
3. Regarding the Pokemon DLC stuff that was announced yesterday, I think it can be said that the next "big" Pokemongames (remakes, new mainline games) will most probably not arrive before end of 2021
4. I think that either BotW2 or EPD Tokyos game will be the big holiday game 2020 - sorrounded by other Mid-Tier games like Super Mario Party 2, Bayonetta 3 and maybe some more kind of 3rd-Party-Exclusive (Ubisoft?)
5. Where the f*** is Monster Hunter Switch??