Warning: the following story contains spoilers from Cloak and Dagger's two-hour Season 2 premiere, "Restless Energy" and "White Lines." Marvel wasn't kidding when it said that "Mayhem is coming." Cloak and Dagger's two-hour Season 2 premiere first threw viewers off by making it seem like Detective Brigid O'Reilly (Emma Lahana) was acting more intense as a result of her injuries last season, but it turns out that there are actually two Brigids running around: one suffering from PTSD and acting more shy and jumpy than usual and one running around killing criminals with just …