Barry Allen in "The Human Thunderbolt," where he dies outrunning a tachyon, creates a stable time loop, and becomes the very lightning bolt that gave him his powers.
His entrance was his exit. Whoa.
His entrance was his exit. Whoa.
And then Uncle Owen barks at him to get back to work, that Empire shit has got nothing to do with him. Then he glances up while Luke isn't looking, with an unsettled expression on his face - he hopes it has nothing to do with him. But it should be just that little snippet of foreshadowing, without any other characters appearing, because more would unbalance the fast pace of the opening sequences.