Bethesda revealed a brand new trailer for Doom Eternal but it also got a second trailer for their multiplayer component.
Battlemode is a brand new multiplayer mode which pits one fully upgraded Doom Slayer against two player controlled demons in a first to three rounds deathmatch.
No more information was revealed at this time but they said they will be showing more off at Quackecon later this year which will have it's own Doomcon showing.