The run marks Killswitch Engage's first headline tour of Australia and New Zealand since 2018. LAS VEGAS, NEVADA - MARCH 13: Singer Jesse Leach (L) and bassist Mike D'Antonio of Killswitch Engage perform at The Theater at Virgin Hotels Las Vegas on March 13, 2025 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images) Getty Images Trending on Billboard Killswitch Engage have added a second Melbourne show to their 2026 Australian and New Zealand tour after the first date sold out in under two weeks — the latest sign that demand for the Massachusetts metalcore veterans is as strong as ever in a region they haven’t headlined since 2018. Explore See latest videos, charts and news The new show at the Forum falls on Monday, Nov. 9 — the night before the already-sold-out Nov. 10 date. Tickets for the added show and all remaining tour dates are available now via SBM Presents.…