Yes, Books-A-Million usually has a selection of comic books. But the range might vary by store location.
Books-A-Million does carry comic books. Sometimes you can find popular titles and indie comics too. But it's best to check with your local store or their website to see exactly what's in stock.
They do have comic books. However, the specific titles and quantity can differ from one Books-A-Million store to another. It depends on the store's inventory and customer demand.