Re: Update the outfit for next solo film
Really, if they just pad the Avengers suit (Keep in mind, the First Avengers costume was padded) and change the helmet a bit, he'd look fine.
MCU Rest of Decade prediction:
2015: Avengers: Age of Ultron, Ant-Man
2016: Captain America 3, Doctor Strange
2017: Thor 3, Guardians of the Galaxy 2, Inhumans
2018: Avengers 3, Black Panther, Incredible Hulk 2
2019: Iron Man 4, Doctor Strange 2, Ms. Marvel