It appears Sony is blocking Call of Duty titles being on Xbox Game Pass for "a number of years".

"The agreement between Activision Blizzard & Sony includes restrictions on the ability to place Call of Duty titles on Game Pass for a number of years".https://t.co/FiAR9kquE7 pic.twitter.com/8ygTAOmEJz

— Klobrille (@klobrille) October 18, 2022