Before The Hunger Games set box office records in March 2012, that month wasn’t normally considered one to launch a franchise. Lately, February has been a go-to month to launch some unconventional blockbusters, following the success of Warner Bros.’ The LEGO Movie ($69 million opening, $469.1 million worldwide). Fifty Shades of Grey ($85.1 million opening weekend, $571 million worldwide), Kingsman: The Secret Service ($36.2 million opening weekend, $414.3 million worldwide) and the R-rated Deadpool ($132.4 million debut, $783.1 million worldwide). This year, three highly-anticipated movies square off, with The LEGO Movie spin-off The LEGO Batman movie facing a pair of R-rated sequels, Universal’s sexually-charged erotic drama Fifty Shades Darker and Lionsgate’s action-packed John Wick: Chapter 2. As expected, all three newcomers fared quite well, but The LEGO Batman Movie came out on top with $55.6 million. Box Office Mojo reports that The LEGO Batman Movie debuted in 4,088 theaters, with this animated spin-off earning an impressive $13,609. Fifty Shades Darker opened in second place with $46.7 million, opening in 3,710 theaters for an impressive $12,614 per-screen average. John Wick 2 debuted in third place with $30 million, opening in 3,113 theaters for a $9,642 per-screen average. While Fifty Shades of…