While Bucky Barnes rests in cold storage during Black Panther, T’Challa will have to deal with threats both within and outside of Wakanda. As if navigating his new royal duties wasn’t enough, the movie’s eponymous hero will also have to contend with Erik Killmonger and Ulysses Klaue trying to overthrow him. Fortunately, T’Challa will be aided by the Dora Milaje and CIA agent Everett Ross, but Bucky would certainly be another useful ally in this conflict. That said, it makes sense why Black Panther didn’t throw another superhero into the mix given that this is T’Challa’s time to shine. And besides, Winter Soldier and Black Panther be battling cosmic bad guys together just a few months later, as will almost every other major MCU hero.