Hollywood studios could be in for another year of “big-budget bombs” and increased volatility around mid-budget releases, film industry analyst Doug Creutz warned in a report this week. As he has been warning for years, the Cowen and Co. media analyst said that film studios’ increasing reliance on tentpoles and superhero movies will contribute to a decline in per-picture box office grosses in 2017, making what once seemed like sure-fire bets on big-budget flicks a decidedly risky enterprise. According to Deadline, Creutz says the film industry in 2017 will be “at least as difficult” as it was in 2016, when...