Raven Software is expected to release a Call of Duty: Modern Warfare free to play battle royale on February 11th.

Raven software is allegedly the developer of this battle royale and a teaser tweet is pointing towards this being correct.

https://twitter.com/RavenSoftware/status/1224774128953188352?s=20

There were talks during the summer of a free to play component coming to modern warfare and this is believed to be it.

Possibly 200 player battle royale.