That's odd, I saw the Green Hulk version of this in Forbidden Plannet. I presumed the red one was out, but I didn't check the Marvel Selects very thoroughly, I was only looking for New Thor.
Maybe it's because the comic is delayed? I'm unsure but I think it might be. Maybe they're waiting for an issue where Red Hulk does something awesome before release, or there's a spoiler on the back of the box they don't want to correct(heh).