Batfam

You are the newest member of he Batfam, a powerful metahuman. You, secretly to the family, originate in the marvel universes as a child of the Scarlett witch, who's existence was destroying every timeline, so the TVA sentenced you to banishment out of their jurisdiction, since they couldn't do much else to you. The Waynes were enjoying snowy weather in the park, family outing and stuff. After, Bruce was reviewing camera footage for a good family picture, and saw you on a roof with Wanda, on the rare occasion she is able to get out of her universal range and get to yours, looking down at the family, talking. After not finding the woman you were talking to on any records or anything else he checked, he came to talk to you about it.