Originally, she was just a sister who avenged her sister who was murdered on the battlefield. After she confessed her guilt, she discovered that all was not lost.
"Marvel world?"
"Yes. By the way, your sister is here too."
"... Who are you?"
"Norns... You can call me that. As for what I am... You don't have the ability to know yet."
Well, in order to find her sister, she would just survive.
... By the way, why was her name after time travel called Betty Rose? ... So familiar...
Wait a minute, Winter Soldier, go ahead and mess with Captain America and take your iron claws away from my sister! ! …………Wait a minute, what is it that Captain America and Iron Man are just a bunch of things? Why is there so much information?……