Sean Penn’s documentary “Superpower,” which was shot in Ukraine and features President Volodymyr Zelensky, will have its world premier at next month’s Berlin International Film Festival, organizers said on Monday. “More than a documentary, ‘Superpower’ is the chronicle of a film project that reality forced to change into something less controllable but more meaningful,” a festival statement said. The Oscar-winning US actor and director was in the Ukrainian capital in February 2022, as Russia launched its full-scale attack, and then made return visits. “Our country is grateful to him for such b…