Jesse Eisenberg's amiable skittishness has become his calling card. He's the nervous, jittery, quick-talking Everyman reluctantly drafted into the war on the undead in "Zombieland" who could also channel his dorky appeal to portray Mark Zuckerberg in "The Social Network,

Jesse Eisenberg and Kieran Culkin make a great team of polar opposites in a powerful look at family ties and historical legacies.

Yes, the usual clash of personalities follows, but “A Real Pain” is anything but farcical or formulaic. Written and directed by Jesse Eisenberg – and inspired by his own family history – it’s a small-scale charmer that nicely blends prickly humor,