Dollhouse: Epitaphs — Dark Horse Comics
Issue: #3 B
While Mag, Zone, and Griff fight to survive the LA apocalypse without killing each other, Trevor and Alpha must take the fight straight to the Rossum Corporation, which started it all. In order to destroy Rossum, they must find Echo--the only person uniquely equipped to destroy the evil corporation from the inside.
Creators: Phil Noto, Nate Piekos, Andrew Dalhouse, Cliff Richards, Andy Owens, Michelle Madsen, Jed Whedon, Maurissa Tancharoen, Andrew Chambliss, Rebekah Isaacs