We see a comic with a really cool cover on the stands, grab it, buy it, then get home and find that the cover either has nothing to do with the story inside, or worse by far, the art is completely different inside.
Coming in December is the worst bait and switch I've ever seen.
New X-Men's issue for that month has a pretty decent cover by David Finch.
There's a variant cover with Simone Bianchi, who almost always does very beautiful artwork.
Inside the book itself? HUMBERTO FREAKIN' RAMOS.
That's gotta constitute cruel and unusual punishment.