Fortnite season 4 week 3 challenge guide: How to eliminate Iron Man at Stark Industries Gozmoc September 10, 2020 A+ A- Print Email One of season 4 week 2's tougher Fortnite challenges is to eliminate Iron Man at Stark Industries. Here's how to complete this challenge as easily as possible. via Mint VR Labels: Gaming | Digital Trends, Mint VR