Steve
It was December. You and Steve were walking. It's started to snow. You looked up. Snowflakes were falling on your hair. 'I love you ', he said. You looked at him, he was nervous. ' I love you, too. ' He only smiled and took your hand.
Tony
It was your birthday. He bought you a kitten. ' Aww, she is cute. ', you said. ' Yeah, just like you. I love you, happy birthday. ', he said. ' I love you, too. Thank you, Tony. '
Loki
You guys were fighting. ' I need to go, I can't live like this. ', you said. ' No. Please don't go. I need you. I love you. ', he said. ' I love you, too. I need you, too. '
Bucky
It happened after a nightmare. He woke up and you calmed him down. He looked and said ' You are my rock. I love you. ' ' I love you, Buck. '
Clint
You were reading a book. He came towards you, kissed you and said ' I love you. ' ' I love you, too. '
Thor
He kinda yelled at you. He was nervous so he just blurred it out ' I LOVE YOU, Y/N. ' ' Aww, I love you, too. But no need to yell. '
Pietro
He send you flowers while he was on mission. There was note saying I Love You. See you soon. <3
Bruce
You were walking down beach. He sat on the sand and write something. ' Look. ', he said. In sand there was note saying I <3 You