Tony : He was so happy when you said that you would marry him . He now realized that no one can steal his beloved.
Bruce : He thought that nobody would ever love him since he had the other side of him. You proved him wrong so when you said that you were going to marry him he was so happy.
Steve: He excited about the fact that you his lovely darling is soon going to be his blushing bride.
Bucky: At first he was surprised when you got down on one knee and proposed to him. He then started to smile . He was so happy to marry you the love of his life. His precious doll was going to be forever his.
Sam: He actually boasted to the rest of the avengers when you said that you would marry him. He had a smile on his face the whole day.
Tchalla : He was excited to see your reaction to his proposal. Once you said yes he had the biggest smile on his face
Clint: He super excited when you said that you would marry him . Natasha walked in on him doing this and then she walked out of the room shaking her head.
Pietro: He was so happy that his princess the love of his life was going to be his forever.