Peter Parker/ Spiderman: after 19 years of dating, you eventually get married in a Catholic church.
Tony Stark/Iron Man: yes, you go to Puerto Rico to get married on a sunny beach.
Steve Rogers/ Captain America: no, because as much as you love each other, there are certain things that have and always will cause a conflict in your relationship. Such as your jobs, Peggy, and both your past.
Thor: no, Thor is a simple man who does not want to be tied down to one person. Dating is great and all but marriage is too big of a step for him.
Loki: yes, Loki will make you his mortal queen once he gets his own kingdom. You have your wedding on a planet he took over and named after you.
Dr. Steven Strange: yes, all his money is contributed to your Himalayan wedding.
Sam Wilson: no, Sam loves you but the man has too many other duties to get tied down. Same goes for you.
King T'Challa/ Black Panther: yes, you marry in Wakanda and have a huge celebration.
Peter Quill: no, Peter is a booty call and not a Hubby type of guy.
Clint Barton: no, Clint divorced his first wife (SHIELD Agent Barbra Morse) after their kid died at birth and they separated for 5 years, then he married Laura and she had 3 of his children. Then they all turned to dust when Thanos snapped his fingers. Clint honestly doesn't want his heart to be broken again.
Scott Lang/Ant-Man: no, Scott divorced once and it's gonna stay once.
Bucky Barnes: the world may never know.
War Machine: yes, in a big white church in your hometown.
Dr. Bruce Banner: no, worries about if he would hurt you or your children if you had any. He doesn't want to risk it.
Pietro Maximoff: no, he died before you can have the chance.