Just before the big showdown with Ultron, Toruun is sitting alone (minus her sword). She starts trying to talk to her father (Thor) again, telling him how scared and useless she's feeling. After she humbly asks for his help, her sword magically comes back to her, and she smiles.
When Torunn and her dad share a hug near the end of the movie.
Just the idea of Tony Stark, Mr. Irresponsible himself, doing his best to raise four super-powered kids as a single father
Betty getting to hug Bruce after being apart for decades.