Florence + The Machine hints: "Something's coming..."

Florence + The Machine fans awoke today to an email newsletter heralding the news that, "Something's coming..." - and an updated website featuring ornately designed playing cards.

So far, only one of the cards has been revealed:

With 'King' assumed to be the title of the first single from Florence's new album, due to photographer Lillie Eiger sharing an envelope marked "Chapter 1" recently:

And billboards now popping up in the UK: