A job listing has shown Infinity Ward is currently working on an "exciting unannounced title for next-gen console systems."
An ad looking for a senior network engineer mentions the studio's hard at work on the next-gen project.
"Come work with the game industry's brightest to design and implement high level network code for an exciting unannounced title for next generation console systems," reads the listing.
Infinity Ward's last game was Modern Warfare 3, which released back in November last year. Its worked on DLC for the game since then.