So I went and saw Avengers: End Game tonight, and I won't give away any spoilers except one...there is no after credits scene. I did the work for you there, and while sitting through all of the credits seemed to take as long as the movie (run time was nearly three hours) there was nothing to see.
This movie was the perfect ending to the Infinity Saga, and while this is technically the "last movie" to everything that they have been building up to, Marvel recently said that Spiderman: Far From Home will actually be the final movie of Phase Three. Think of Avengers: End Game as the last chapter of the story, and Spiderman: Far From Home as the epilogue.
So go see this movie. I'll be back to talk about it in a couple of weeks to talk about it more so everyone has a chance to see it with no spoilers...at least from me!