Mike Ybarra says Activision's franchise has "gone downhill" over the years and that Battlefield will "force them to change it."
The company is also seemingly keeping an eye on Battlefield 6, but isn't worried about how it might affect Call of Duty sales.
The follow-up to 2012's Black Ops 2 will launch later this year for Xbox Series X/S, Xbox One, PS4, PS5, PC, and Game Pass.
Raven Software and Sledgehammer Games, known for their work on the Call of Duty series, have also reportedly faced layoffs.
Exoskeletons, which were introduced in Call of Duty: Advanced Warfare, appear to be making a comeback based on leaked images.
The Switch being missing from the list of platforms for Call of Duty: Black Ops 7 is interesting considering the 10-year deal from 2022.
Raven Software and Treyarch reunite after last year's title to deliver a co-op campaign, round-based Zombies, and more for consoles and PC.
These limited-time events and modes will reportedly offer unique mechanics and rewards while being "higher-value" for Batte Pass owners.