I'm anticipating both comebacks eagerly, as they are my favorite female artists, BUT I will always give Christina that little edge over anybody. Plus after hearing the demo of "Your Body", I have no doubt about it. She's going to have a huge era in front of her.
Mariah is smart and knows what she needs at this time. Compared to dealing with Em on "Obsessed" and whatever she wanted to accomplish with "Triumphant" mess. I'm sure she'll also actually use her TV show to her benefit, and open to Lotus' (likely) total sales by her release.