Depict Captain America at the center of a chaotic temporal paradox

Depict Captain America at the center of a chaotic temporal paradox, with his shield raised defensively as time begins to unravel around him. The environment fractures into shards of different timelines, reflecting key moments from his life. Captain America stands firm, his expression a mix of shock and determination, while temporal versions of himself appear out of sync. The sky splits into different times of day, with lightning and energy arcs connecting the fragments. The atmosphere is tense, with reality tearing apart, and Captain America bracing against the overwhelming force of the paradox forming around him