A few things nitpicked from the comic.

Slight spoilers ahead!!

• Gray Manns uncanny resemblance to Half-Life 1 and 2s Gman
• Archimedes has a small Cameo in the beginning, is medic near by? Or did scout die again? 
• An advanced life extending machine attached to Grays back?!
• Mann Co. now makes Portable Baccarat Detectors!