I'm keeping some of my BAFs from the ML line instead of trying to snag a lot of the newer MU stuff that's similar. I understand the new Galactus is better but then I have to unload my Galactus and pay more for a newer one. Pass. Right now this line to me is about half want, half economics. If I can do things cost effectively, I'm in. I should have sold off about 90% of my ML stuff by week's end, so space has been made. I'm also mostly not buying characters I don't actually want, unlike with ML though that was often to complete BAFs. But Luke Cage for example was never a huge character in my comic reading, so not really needed in my collection.
Funny you mention Mystique. I saw her once and left her behind, hoping for a sale on the 9.99 price up here at Walmart. Then that wave never showed again that I have seen, rather it went to the Colossus, Kitty Pryde, Archangel, etc. wave being restocked nearly continuously. Even with that though no variants on these figures for me. I'd take either the Death Archangel or Havok variant instead, but would return the other versions as I'm not really interested in multiples anymore.
Too bad D.C.'s smaller scale figures suck. Wouldn't mind saving some space with those too.