You're going to love it here.
The Dark Knight of Gotham and the Archangel of Omega about to ruin some lives. Yes I know Cerberus wasn't in Omega like this when Garrus was fucking around as the Archangel. I don't give two shits.
And how did Bruce Wayne end up in the future on an asteroid space station on the other side of the galaxy? Who cares, he's Batman. He does what he wants.