We've already seen an Easter Egg hint that Wakanda dos exist in this Marvel universe, so the natural extrapolation would be give the hero who lives there his own stand-alone movie. By this stage, Marvel will have the strong foundation needed to take risks (hence Ms Marvel and Black Panther appearing so close together in this run-down) and Black Panther is certainly one of the more rewarding possibilities. The plot - set in the past before any of the current MCU had kicked off - could follow Black Panther's arch-nemesis Klaw, who discovers that a meteorite made of Vibranium (the same source of Cap's shield of course) crashed on Wakanda, and his attempts to defeat T'Challa and steal the mineral. The Cameo: Steve Rogers in a flashback cameo, that confirms the comic books narrative thread that Rogers is not in fact dead, but rather trapped in time and space.