The 2023 summer hit Barbie was bigger, better, and more lucrative a film than anyone could have anticipated. The story was strong, resonating with filmgoers across the demographics, and raking in tons of praise, talking points, and cash. So of course everyone from fans to executives wondered if a sequel would be in the cards. But a clear path to a second film has not yet been charted. Mattel Studios boss and Barbie producer Robbie Brenner talked…