I agree that Stan should have his own solo movie or series like black widow to show who he really is as Bucky Barnes and who he wants to be. He is a really good actor and Stan deserves his own solo in the MCU. I believe this would be good part to the MCU to show his life in hydra so we can understand more of where he was from and so we can see the full extent of hydra. It would also be amazing to see a howling commandos film to see more of the missions they went on instead of in captain America the first avenger we only see one mission and then them making the adverts. It would be amazing to see more of the missions they went on to see what they were capable of as a team.