Danielle responds to emails super quick and keeps a list of her commission status online that her clients can access. I would just shoot her a quick email.
If its a Marvel AP, it may be pending approval. I've been warned by a couple of artists that they have been waiting for months on some approvals since Disney took over.
Edit: Ignore me... I misread your post
My mind moved the "not" from one spot to another. ooops