https://www.gamespot.com/articles/new-battlefield-5-gamescom-teaser-update-full-trai/1100-6461171/

We received an exclusive teaser of Battlefield 5 from EA DICE. Though brief, the clip showcases some of Battlefield 5's explosive action and reveals that the first-person shooter's official Gamescom trailer is launching tomorrow. [Update: The full Gamescom trailer has arrived, and it seems to include a tease for the game's battle royale mode.]

DICE hasn't revealed at what exact time the Gamescom trailer will launch, or detailed what the video will entail. The only hint we have to go on is the trailer's name: Official Battlefield 5 Gamescom Trailer - Devastation of Rotterdam.