Post-Barbie, it’s hard to make comparisons of future Ryan Gosling movie opening weekends. It was the highest opening of last year. Maybe there should’ve been a Challengers–Fall Guy double feature that could’ve been arranged. As of Saturday afternoon, The Fall Guy has earned $10 million from Friday and Thursday night previews and is estimated to earn $28 million throughout the weekend, contradicting previous projections for somewhere in the $30 million range— the film’s budget is around $150 million for what its worth. Where are all the Gosling heads that were obsessing over his SNL gig? Do Beavis and Butthead need to make another appearance? The movie earned plenty of critics’ support over SXSW and is still projected to top the box office, ahead of Challengers, which is estimated at $8.7…