Battlefield 1 is more focusing on melee combat than in the past.The full trailer will be revealed on June 12.At the same time June 12 is the day of the EA Play event.It begins at 1:00 PM.Probably EA will livestream a 64-player match at 2 PM on June 12.
You will be able to play Battlefield 1 at October 21.
Here is the trailer :