The avengers IDT

The Avengers have just discovered a new inter-dimensional threat. Y/N. no one knows what they look like, or even why they're threat. but Nick Fury has decided, in a moment of fear and uncertainty, that they are. withThanos on the loose, he doesn't want to take any unnecessary risks. but what happens when Bruce banners big heart gets him in trouble after he brings home a strange looking 10-year-old little girl. will they find out that it's Y/N? or will you stay in the dark, lying to every one of them to gain thier trust? and will you truly be a threat...?