Help the frantic sci-fi convention organizer finalize the schedule updates by choosing the correct nuanced future form for each blank.

By the time the doors open tomorrow, our exhausted volunteer team will have been setting up the vendor booths for a straight 48 hours.

I wouldn't bother calling the keynote speaker right now; she will be sleeping off her jet lag at the hotel after that long flight from Tokyo.

The highly anticipated "Time Travel for Beginners" panel is due to begin at noon sharp, assuming no one accidentally alters the timeline before then.

By the time the doors open tomorrow, our exhausted volunteer team will have been setting up the vendor booths for a straight 48 hours.

We use the future perfect continuous (will have been doing) to emphasize the duration of an ongoing action leading up to a specific point in the future. The phrase "for a straight 48 hours" triggers this need for duration.

I wouldn't bother calling the keynote speaker right now; she will be sleeping off her jet lag at the hotel after that long flight from Tokyo.

The future continuous (will be doing) can be used to make a confident deduction about an action that is happening right now in the present.

The highly anticipated "Time Travel for Beginners" panel is due to begin at noon sharp, assuming no one accidentally alters the timeline before then.

The phrase is due to is used for formal, scheduled events that are expected to happen at a specific time.