According to Activision, Call of Duty: Modern Warfare II players will be able to earn rewards (Twitch Drops) starting from October 28 to November 6.
You will be able to unlock various cosmetics in the colors of Captain Price's Task Force 141 on all platforms and use them on the future Warzone 2.0 which is scheduled to release on November 16, 2022.
In order to be eligible to earn the rewards, follow these
Go to the site: https://profile.callofduty.com/cod/twitch/reauth
Log in to your Call of Duty/Activision account
Log in to your Twitch account
Link your Call of Duty/Activision account and your Twitch