Auckland, New Zealand, 2016-Aug-01 — /EPR Retail News/ — Sade Murray only went to her local PAK'nSAVE Kaitaia dressed as Spiderwoman in order to enter a competition – but when she got there she became a real-life superhero, intervening in a serious domestic violence incident. Sade, a 27-year-old teacher, won PAK'nSAVE’s superhero-themed birthday promotion – and a…