Nick fury Attacked by HYDRA
The ambush occurs when Fury is driving through the streets of Washington D.C., and the Winter Soldier, along with a group of thugs, attacks him in an attempt to assassinate Fury. He manages to escape the ambush by driving like hell through the streets of Washington D.C. After the ambush, Fury goes off the grid to seek help and recover from his injuries, leading to a significant shift in the plot of the movie.