Gage is probably doing the panel by panel breakdowns while the Fortnite guy just comes up with the basic plot of each issue. Gage has experience with...
I don't know what the exact costuming situation is, but I imagine the material they use to make the Ultra suits is conducive for the actors movements...
I don't think it has anything to do with being for kids, I've seen plenty of mature and dark Toku, it's just a convention that makes it, well, Toku....