Form: will be VERBing
We will be waiting at the baggage claim area when you arrive.
Negative Form: will not be VERBing or won't be VERBing
I won't be waiting for you when you get back.

Use: Use the future continuous for actions that will be happening at a certain time in the future.
They will be showing the movie by the time you arrive.
I will be staying at my summer cottage if you need me.

For future plans, use the present continuous or "going to":
John is taking time off in August, and we're heading up to our cottage in Vermont. (use with already arranged future plans)
The nursing department is going to expand into a new building sometime. (use with intention of doing future plans)
Where are you going on vacation? We're not going anywhere. We don't have enough money this year. (use with already arranged future plans)