Universal Studios Hollywood’s Fan Fest Nights, an ingenious springtime extension of the after-hours formula utilized by the lucrative Halloween Horror Nights, has returned for its second year. And it has evolved greatly from last year’s debut, emphasizing more complex interactivity and the role of anime franchises in the event. For those unaccustomed to Fan Fest Nights, it began last year, a hard-ticket after-hours event where guests are encoura…