Peter Bradshaw and Henry Barnes join Xan Brooks for our weekly round-up of the big cinema releases. This week the team get their claws out for The Wolverine; jazz-run through the streets of New York with Noah Baumbach's Frances Ha; get into the campaigning spirit with Blackfish, a documentary about captive killer whales; and race through the favelas of Mexico City with cop thriller Days of Grace. Plus: interviews with Frances Ha star Greta Gerwig and Blackfish director Gabriela Cowperthwaite