Photo: Netflix In a 2018 post on Instagram, Jennifer Garner appears in a red jumpsuit, dangling from a T-bar as it slowly lifts her above a large aluminum slide in some upscale indoor playplace. “Oh, I wish I hadn’t done this,” she mutters to her onlooking family. “I hate this so much. Why’d I do this?” Though she may have some misgivings about the zany position she’s in, Garner soon loosens her grip and, with a deep breath of composure, slips down onto a cushioned landing pad. It’s a pretty anticlimactic resolution for what turned out to be a very low-stakes situation, not really meriting the emotional playing-up the movie star gives it. This anodyne revelry provides the basis for the new film