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A man with long dark hair reacts with surprise while touching a glowing blue device in a dimly lit room. The scene cuts to a figure in a dark, futuristic corridor, then to a man running down a dark road at night with glowing red lights on his hands, followed by a shot of a city street in chaos with debris and a figure standing in the distance, and ends with a yellow light trail forming the word "FLASH" on a dark background.