 He would play 4 games for Country until 1996.Mullins made his State of Origin début on the wing for New South Wales in Game 2 of the 1994 State of Origin series at the Melbourne Cricket Ground in front of a then record rugby league attendance in Australia of 87,161.He would go on to represent NSW in 5 Origin games between 1994 and 1996 and twice under the Super League banner in 1997.