AITA for handing out spider men based on race and gender

I have 3 siblings who all have 1 child, 1 half black nephew,1 white nephew and one white neice so when I was making Easter baskets for my nieces and nephew and the spiderman toys had a red spiderman,black spider man and a spider women my sister did not like the way I related the spiderman to the children. AITA?