Two Call of Duty games from 2010 and 2012 got ported to PlayStation this July and sold an estimated 11.2 million copies. Halo's first-ever PlayStation release, a ground-up remake of the 2001 original, came out the same month and sold about 351,000. Eight weeks later, Microsoft handed Halo to Activision. That's a 32x gap between two 14-year-old ports and a brand new Unreal Engine 5 remake. Microsoft paid $68.7 billion for Activision in 2023, and the studio it bought now sells more on Sony's…