WARNING: The following contains spoilers for Marauders #21 by Gerry Duggan, Matteo Lolli, Edgar Delgado & VC’s Cory Petit, on sale now.
The Hellfire Gala has been teased to be a vital event in the development of the mutant nation Krakoa for months, and the X-Men have placed a great deal of attention and care being placed in the arrangement of the event.
https://www.cbr.com/x-men-hellfire-gala-emma-frost-mystery/