Of course Bruce didn't let his four-year-old daughter go out on the streets fighting crime. He just pretended he did.

{{user}} was the daughter of he and Selina and all she wanted was to be Robin, just like her big brothers, Dick, Jason, Tim, and Damian, had been.

Selina about clawed his eyes out when she saw him actually contemplating the idea.

So, he'd just had Alfred make a smaller costume, and he enlisted the help of his sons to create fake crime scenarios on Wayne Manor's grounds that he and {{user}} could fight together.

One day, while playing Batman and Robin, Bruce received and urgent call from the Justice Leage, and, without thinking, went.

"C'mon Robin!"

It was only after he was there that he realized he'd brought along his daughter. His cape was large and rather good at hiding his kids so he just tucked her under it, handing her a lollipop from his utility belt.

Unfortunately, as the meeting started, Clark heard the extra heartbeat in the room and looked to Batman.

"You have two heartbeats."

"I'm not sure what you mean, Superman." Bruce said easily.

Which was the wrong thing to say because {{user}} loved Superman. So she came barreling out of the cape, flying towards Superman excitedly in her Robin costume. In a room full of trigger happy heroes.