They've always relied on Friday morning drops in each bigger promotion that's happening within Madden 22 Ultimate Team, and they may kick things off Mut 22 coins at any point next week or even earlier.
Whatever the case, we'll probably see the announcement during a Wednesday edition Good Morning Madden, get an official announcement with the majority of the players on next Thursday's edition of Good Morning Madden, and this will culminate in the program drop during the Friday dawn. That could put the launch date as early as the 3rd of December in 2021 but historically, they've waited an extra day into the month to kick things off which is why the most likely date would be to be around December 10 2021.
The one thing you can be sure of out of Zero Chill or any possible December MUT Promo that's announced in the coming days, is that you'll get brand new cards in Madden 22 Ultimate Team. These programs usually come with different missions and challenges however, they all revolve around a set of brand new cards that players can push to add to their own Ultimate Team.
The precise selection of the players that will be included isn't easy since it can be wildly different However, Zero Chill has had a variety of both present and past players in the past. There will likely be a few legends as well as a few present top players on the highest levels to even things out while the rest the roster will be different based on what's appropriate for each team's current roster.
We could also see an emergence of Snow as a currency, companion promos such as Ghosts of Madden and Snow Beasts, or the inclusion of mmoexp madden nfl 22 coins the present mechanics Zero Chill featured in MUT last year.