Terminator Salvation

'After Skynet has destroyed much of humanity in a nuclear holocaust, a group of survivors led by John Connor struggles to keep the machines from finishing the job.'

Terminator Salvation is a 2009 American science fiction film, the fourth installment in the Terminator series, directed by McG, and starring Christian Bale as future Resistance leader John Connor and Sam Worthington as cyborg Marcus Wright. The film also introduces a young Kyle Reese from the original 1984 film, played by Anton Yelchin, as well as depicting the origin of the T-800 Model 101 Terminator. Terminator Salvation, set in 2018, focuses on the war between humanity and Skynet - a departure from the previous installments, which were set on the present day and featured time travel.

Source: Wikipedia