We already know she isn't. Look at her reaction to the attack and the unveiling of the arsenal. I think she's overcompensating a touch to please her mistress.
I'm more interested in the Ominous Black Car in panel 3, and the phrase or band name on Erin's shirt.
The fact that Erin's unfortunate ex is still in the Wilmot theatre program, and not hiding out in the Hindu-Kush is intriguing.
If he's just a regular guy and not malevolent like Q, or an egomaniac like...Cavalier Hair, he might be someone who could genuinely use belltower assistance.