Look at the backlog - Review and update it to see if there is anything previously mentioned that should find it’s way to the forefront because it will add better value at this time than when it was originally discussed.

Look at any critical defects - Be of those found in the current iteration that would not be completed by the end of the sprint.

Identify new features that will add the most value and can be completed within the internal of the next sprint - Prepare the bare bone requirements for each of these new features as user stories.