G. Willow Wilson, one of the creators and main writer for Kamala Khan/Ms. Marvel, flat out says in a blog post that she would have quit Marvel if this deal went through. She even says she was looking at her schedule for the right time to quit so that it would hurt her crew as little as possible.
http://gwillowwilson.com/post/166159537168/yeah-no
So Marvel would have lost one of its most well-regarded writers and the co-creator of one of its new flagship characters if they didnt backtrack on this deal.
Holy shit Marvel, this is what happens when the right hand doesnt know what the left is doing.