Class-X - Who are the Children of the Vault?

The boys kick off a new series: Class-X! In it, they do a deep dive on the comics, movies, and TV to catch you up on everything you need to now before they come back in some new format. It's like Sparknotes for your ears. Today, they're looking at the Children of the Vault, a group of posthumans and occasional thorn in the side of the X-men. Let us know what you think!