If you get the marketing team response, determine what has actually been marketed. You can probably remove some things with noone being the wiser. Create a prio

If you get the marketing team response, determine what has actually been marketed. You can probably remove some things with noone being the wiser. Create a prioritised backlog. You'll be the only one knowing that feature X probably won't reach the release, but noone will care. I did this recently and everyone were excited about the release, despite pushing for some features that were labeled low pri.