[The Brainy that speaks to him isn't the same Brainy that sent the message. He's shifted, due to his timeline changing.]

The timeline is collapsing due to interference in the past, and the damage must be repaired to preserve the present.

We don't have time for a briefing. Deployment is whenever at least some of you deign to arrive. I'll send off the time bubble when it seems like we've run out of time.

[If some of them miss the boat, so be it. Hopefully, the crisis will be wiped out of existence anyway, if the team is successful.]