I have no idea what the Haka has to do with Everton, so I have to award a big FAIL to this PR stunt. If you do know the link between a Maori war dance and Le Coq Sportif/Everton, let me know. All I can think of is that Tim Cahill has a Samoan mum, but to my knowledge the Haka is not Samoan.
PS. The black-and-pink away kit, which I am warming to, was launched at the infamous Everton 2, Liverpool One store.