The dead civilian is Mars from the forum, as a very belated prize for guessing Maggie’s identity a couple of years ago. She’s lying on the (unfinished, at this point in time) Millennium Bridge.

Alucard: I’ll draw in the blood of this entire city’s fallen.

Enemies. Allies. Frenemies. Fallen civilians. Cannon fodder. I’ll take them all.

When you’re five centuries old, you can see that nothing matters. But tonight I’m going to fight as if it does. I’ll wipe out my foes in a battle that you would have been proud to see, Anderson. I’ll slay them all in your name, Master.