"No, this is totally cool!" she said quickly. This wasn't an opportunity she was going to waste and Cap had said they would do whatever she wanted, so that meant- "Can we go kick some ass?" Cassie appeared eager at the idea and actually, "hanging out in the park" was code for "being a vigilante" She had her costume on under her clothes and she'd been planning to spend her afternoon heroing until Billy got off work and could join her and then maybe dinner with Daisy or something then back out on the streets to fight crime. The best birthday a girl could have. Better now, with the prospect of fighting off bad guys with Captain America and Iron Man.