The Astonishing Ant-Man (MCCU)

It It the fourth One-Shot in the Marvel Cinematic Universe (MCCU). It stars Michael Douglas as the title character.

Summary
In 1987 S.H.I.E.L.D. agent Hank Pym is sent to Berlin to steal old Hydra technology which has been found by Germans. He goes in the German headquarters shrinks a tank, take out all the soldiers and steals the technology by shrinking it.