are teasing their much-anticipated comeback with a photo of a blood-spattered guitar on their Facebook
The photo which suggests they've been rehearsing hard for their comeback show in Mexico this december was tagged with the caption "First practice. Been too long. Look out, Mexico."
Their last live appearance was in New Yrk in September 2012.
"Is that guitar getting the best of you?"
asks one commenter.
The band are set to begin recording a brand new album in early 2014, with frontman Dave Grohl
also confirming the follow up to "Wasting Light
" has been written.
"It's a little way off,"
Grohl told XFM
in August. "It's not ready to happen right now, but I think next year is going to be a really big year for the Foo Fighters without question."
Grohl further teased fans by saying: "We are going to make this album in a way that no-one's ever done before, and we're pretty excited about it."
Can you guess how the Foo Fighters will surprise fans with a new album concept? Post your guesses below.