One of the many reasons schlock horror M3gan become such a surprise critical darling last week was down to Universal’s crafty release strategy, sashaying into the otherwise dead zone of January, easily leaping over an extremely low bar. This week reminds us of what the month usually offers US cinema-goers – an unwanted comedy remake, a horror film for Christians and a Gerard Butler action thriller – junk that’s easy for the studios to dump and even easier for audiences to forget.