NCIS: Everything We Know About Ziva's Possible Return

CBS threw NCIS viewers for a loop with a Super Bowl teaser for an upcoming episode that hinted former series regular Cote de Pablo could be making a comeback as Ziva David.
We've rounded up everything we know about the potential return below, as well as reactions from fans, and some good old speculation.
Remember you can watch NCIS online right here via TV Fanatic.
1. An Upcoming Episode Will Feature a Huge Secret

After a malnourished and confused 9-year-old is found hiding in a storage unit, NCIS reopens an old missing persons case when the girl is believed to be the daughter of a Navy recruit who disappeared 10 years ago. Also, Bishop discovers notes that Special Agent Ziva David kept on the case long after NCIS officially stopped investigating.
2. Um, What?

3. Isn't Ziva Supposed to be Dead?

4. The Plot Thickens

5. Why Would She Leave Her Daughter Behind?

6. Could Tony Return?
