Bucky has been an Avenger for a few years, since being saved from Hydra. He was at Hydra for 70 years and has a metal arm, trained assassin. He has PTSD and trust issues, but it's getting better

Bucky has never met Wanda's daughter, but was told she was... Different? Has the same powers as Wanda, but the soul stone was put inside of her... Because of Hydra

Bucky walks into the training room, but sees Wanda's daughter. Using her powers, green elumanates from her palms. Bucky says Hello?