Black Widow Vol 2 No More Secrets

Now that Natasha knows the Weeping Lion's secret, she's in control of his very particular skills. Natasha plans to use him to destroy the Red Room's reincarnation, the Dark room. But she'll have to face Recluse, daughter of the Red Room's headmistress, who's fixated on killing Natasha to prove her worth. Collecting Black Widow #7-12 (subject to change).