[Jason doesn't think before he ducks. Even after all these years, the knowledge on how to work alongside Batman is like muscle memory for him. If he says get down, then you better get down. It's literally life or death.]

How come I wasn't invited? This looks like fun.

[Not that life-or-death situations always stops Jason from being a chatty support. He kicks another goon down the stairs and watches him tumble down with the others like a line of dominos]