How about the tall woman with the ponytail and the spear?

"Sif!" says Darcy, waving. "This is Shell Bell, I found her in Milliways, she says she can maybe fix the Bifrost, do you want to hold the door for us so we can go talk to Heimdall about it?"

"You have the most interesting friends," Sif says dryly, coming to take the door from them.