Reports include talk of arguments between Sledgehammer and Raven.

There are reported some massive changes happening behind the scenes of the Call of Duty franchise. According to a new report from Jason Schreier of Kotaku, Call of Duty 2020 is no longer being developed by Sledgehammer and Raven. It will instead be handled by Treyarch and it will be another entry in the Black Ops saga.

This is the first major change in the development cycle of the Call of Duty franchise...