I'll refrain from making a long reply mostly because I hopped up on pain meds for my hand right now and I doubt I'd make it the the end without ranting about eggs or some shit, but I will try to make a point here.
This movie looks like shit, it really does. In that way you can just tell, your instincts as a regular citizen of the internet tell you it'll be awful even though you know the sheep will still elevate it to record sales because of name recognition. I could be wrong and hope I am, I remember seeing trailers for The Lego Movie and thinking it was going to be a stinking commercial turd only to be blown away. So here's to being wrong...maybe.
Now here's where we get the tricky part, where I walk the growing battle lines in our modern pop culture trying not to fall into one of the trenches. Holywood's abuse of female talent is real, just as real as sexism is in many aspects of life, but it's not a terminal issue, at least not one that can be treated suddenly. So many trends are picking up now, portraying female characters outside of the "defenseless damsel in distress," and "stone cold badass chick." Every step of the way you have idiots who look at these and somehow think that studios are "pandering" to "SJW's" and on the opposite end you have people who never think it's enough. I'm not saying that pandering doesn't happen, but I am saying that it's not the illness to society many seem to think it is. So to get with the point here, I think that the involvement of females in iconic roles should be fluid, natural, not by genderbending and copy-cating the same roles. If we had four females with their own unique personalities that didn't feel like they came out of a can I'd be very excited, instead this whole cast seems really forced. I am lead to believe that the producers sincerely thought less that they could make a statement and instead wanted to gain money purely off the novelty of switching genders, which is almost as sexist as not casting any females.