That doesn't surprise me at all. The Young Avengers were due to another relaunch sooner or later, and with Champions being gone, it's natural Marvel was going to try another teen/young book to fill that void. Having it be a title that has a history of good sales + being associated with a popular franchise (Avengers) is a bonus. I hope it's a Young Avengers book first and foremost, though. The YA fandom has been waiting for a relaunch for five years now, while the Champions just wrapped up a 37-issue run within the last 3 years. If they're using the YA name, then it's only fair that team will be the priority. It's deservedly their time to shine as a team again, specially for some characters who haven't gotten much to do lately like Tommy, Eli and Cassie. Hopefully the Bleeding Cool report is correct and they're not thinking of taking too many Champions members; Riri and Viv sounds fine to me. If they had to pick one more, I'd be cool with Power Man since he was on an Avengers team with Billy and Teddy a while ago. Nothing more than that, though.
They also mention that we should expect ''an impact'' on the announcement of the creative team. Not sure what that means. Most people are assuming Eve Ewing is going to be involved, so that's not exactly impactful if it turns out to be true. Who could it be?