From Dan DiDio as reported on Newsarama:
"Must have been a little sleepy from all the turkey I ate, forgot a few important pieces of information...
"Not sure how things can change One Year Later when the stories are taking place thousands of years in the future, but the future is about to get more exciting in the newly titled Supergirl and the Legion of Superheroes. And no, that is not a typo, wide awake now.
"Thousands" of years? What happened to Infinite Crisis "not really" affecting the Legion?
Hmmmm.... Supergirl and the Legion? Rampant speculation had Superboy moving to the 31st century, thus the reason for his new costume. I can't see Power Girl and her newly-found popularity in the current DCU adopting the Supergirl costume and name for a trip to the future when there's already one by that name, nor can I see resurrecting the dearly departed Earth-1 Kara Zor-el. It must be the non-dead Kara Zor-el currently starring in her own book.
Thanks to Mike Willis in the comments for pointing this out.
Favorite blogosphere reaction: You got your Supertorso in my Legion! You got your Legion in my Supertorso!
Diane Kingston doesn't like the idea:
So if the next issue of Legion is a jumping-off point, I'm taking it. Unfortunate, because that was the only DCU title I was reading, and I was really enjoying it. But apparently, anyone who isn't a devoted, hardcore, walking DC encyclopedia has no place in DiDio's DC.