No. According to the profile information of "Black Robe Picket", the soldier boy in the third season did not die, but was captured alive. "Black Robe" tells the story of a group of spontaneously formed "Picket" members who fight to the death with the evil superpowers of Vought International in order to prevent the sanctimonious and corrupt "superheroes" from abusing their superpowers to harm the world.