Over the course of his decades long career as Iron Man, Tony Stark has stood firm throughout some of the most harrowing and horrifying events the Marvel Universe has ever seen. Of course, few if any have been as bad as the Earthshaking tragedy that was the latest, and presumably last, Hellfire Gala. Apart from thrusting mutantkind to the brink of extinction, Orchis' assault on Krakoa stands as a perversion of Tony's own legacy, and those are both crimes worth responding to with lethal force.
Source：https://www.cbr.com/hellfire-gala-iron-man-avenge-mutants-emma-frost/
