When troubled on a mission in Eastern Europe, Sam Wilson and Bucky Barnes seek help from the new generation of Black widow, Yelena Belova

Guy Fawkes aka Powderkeg (Gambit 1602) has the powers to make things explode like Magnesium and Potassium in contact with water, that is he makes things explode. A one shot to recur in another fanfic

America's greatest patriot sees a chance to undo the mistakes of his nation's history. But it is a face from his own past that poses the gravest threat.