It was New Providence in Italy too until this morning, and I just checked, it's got this name in US too now:
https://www.microsoft.com/en-us/p/crackdown-3/9p1hxthz28cb
And yep, I'm assuming there's going to be a split. Look at the feature tags in the page, there's no mention of multiplayer, just co-op:
Single player
Xbox Live online co-op (2)
Xbox Live cross-platform co-op
HDR10 4K Ultra HD
Variable Refresh Rate
Xbox Live achievements
Xbox Live presence
Xbox Live clubs
Xbox Live cloud saves
Xbox Play Anywhere
Xbox One X Enhanced