Originally Posted by
PsychoEFrost
Did you read the solicits? Emma doesn't show up in Marauders outside a cameo until issue three, and won't be in any of the actual action at least through issue five. She's also shown to be cartoonishly evil working with Shaw against Kitty and Storm. The entire Marauders story is Hickman going "the last five years of canon don't actually matter or even exist".
Meanwhile, Jean is the leader of the X-Force intelligence squad, and is co-leading the book alongside her love interest, Wolverine. The main X-book is Scott and Jean co-leading it with Wolverine.