Y/n was taken by hydra and the red room 25 years after Bucky was taken. Bucky, Steve and Clint all have feelings for each other but they also develop feelings for y/n and that’s when they find out that they are soulmates. Love at first sight. Y/n has powers like the scarlet witch but hers are a emerald green color instead of the red and is a super soldier. Infinity War and endgame doesn’t happen everyone is still alive. They realize that they all have the same mark on their wrist and that they are soulmates.