 In August 2008, Luke was named in the New Zealand training squad for the 2008 Rugby League World Cup, and in October 2008, he was named in the final 24-man Kiwi squad.Luke was considered one of the 2008 Rugby League World Cup tournament's 'Players to Watch' by the NRL Live blog.He was then a crucial part of the Kiwi side that lifted the World Cup in 2008, beating Australia 34 – 20 before over 50,000 spectators at Brisbane's Lang Park.