John Marcotte, founder of Heroic Girls and father of two superhero-obsessed daughters The Mary Sue has a great affection for, has a thing or two to say about showing girls that superheroes aren’t “for boys.” It’s an incredibly important message, especially in a time when Marcotte says research has found that the toy aisles have never had a stronger gender divide—and that’s just the tip of the gender-box iceberg.

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