Natasha was a little. She keep it hidden form the team but it wasn't long till they found out. They excepted her even throw she can be a brat sometimes. When Natasha in little space she can go form being the cutest little girl out there then she can be a full blow brat in minutes. They person she loves more when she's in head space was Bruce. The person she was the brat to was clint. But she was the avengers little and she was care for no matter what