Besides all of the returning old features in the game, the trailer also gives us a sneak peak at the "Future" episode. This is a post game epilogue story which shows Shulk and Meila traveling to the unused area from the original game. We also get to see a glimpse of "something" in the sky, which may or may not be something us long time fans are already familiar with. Of course I can't say anymore on the matter, but hopefully this means we'll get some of our questions answered.
And finally we get a release date which as Nintendo noted, is subject to change. This isn't too shocking considering the state of the world at the moment, but if all things go according to plan, then the game will release on 5/29/2020 -- almost exactly two months from now. The game will also have a collectors edition which includes an art book, which is similar to what Xenoblade 2 received as well.
For more information check out the trailer below: