A24 is reteaming with Academy Award-nominated filmmaker Alex Garland (“Ex Machina,” “Men”) for the action film “Civil War” with Kirsten Dunst set to star, the company announced on Friday.The film also stars Wagner Moura, Stephen McKinley Henderson and Cailee Spaeny.Garland will direct his original screenplay. “Civil War,” set in a near future America, with further plot details being kept under wraps.A24 will produce alongside Andrew Macdonald and Allon Reich of DNA and Gregory Goodman.