 During the "Fear Itself" event, Zemo gave Fixer key info on the mutant army threatening Chicago.Having spent his time on the sidelines, watching Norman Osborn's rise to power with the intent of waiting to see what Norman would do with control over the Thunderbolts and later S.H.I.E.L.D., Zemo reappeared following the events of the Siege when Osborn was ultimately defeated by The Avengers.A chance encounter at the Thunderbolts' former base in Colorado with the Ghost led to him learning Bucky Barnes was the current iteration of Captain America.