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Always been there
Larissa Romanoff-Rogers was adopted by Natasha Romanoff and Steve Rogers. She was only 5 when they adopted her and now she's 17.

She meets Peter Parker during the fight between Captain America and Iron Man. Obviously it wasn't on the best of terms.

Now, she goes to Midtown High and meets Peter Parker again.

Only now they're on a school trip and random weather attacks happen.

Will Larissa and Peter stop whatever is going on?
Throw in love, fight and a school trip, there is bound to be trouble.