The hunt for Thunderbird leads the rest of Weapon X-Men across space-time, back to a pivotal moment in the past - an iconic event in the history of the All-New, All-Different X-Men! But can the team get there in time to actually make things right?
Previously unknown secrets are revealed here for the first time! And featuring the most unlikely guest stars of all!
— Description from Comic Vine community (comicvine.gamespot.com).
