Popsugar Entertainment Halloween X-Men Halloween Costumes 20 Options For Your Coolest X-Men Costume Ever October 17, 2017 by Maggie Panos View On One Page Photo 3 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Magneto, Ian McKellen Edition What to wear: An all-black ensemble with touches of red. You'll definitely need a cape and gloves. How to act: You're an incredibly powerful mutant. You have the power to control magnetic fields, but you're also a deep guy with a sensitive side. Previous Next Start Slideshow HalloweenX-MenHalloween CostumesGroup Halloween CostumesPop Culture Halloween CostumesDIY Halloween CostumesMoviesHalloween Costumes For MenHalloween Costumes For Women