Quicksilver and ( especially ) Scarlet Witch. I'm convinced that Stan got Jack on the phone on a Friday and told Jack, "Come up with some characters...
Would they have to do that really? Why couldn't the first page have the roll call and the whole "previously on How To Tank An Entire Universe In The...
Because like real life you'll always find a traitor who cuts dig deeper than any outside foe could manage, sinister is one of the handfuls of mutants...
Donna Troy. Back in the day, she's had like three different origin stories, the Nu52 happened and she got yet another one. I'm not sure what her deal...