He's climbed back to the middle platform when the helicarrier shudders beneath his feet, heavy ordnance tearing into the structure and ripping it apart, and the Winter Soldier staggers as he's torn from the darkness of his own thoughts into the harsh light of realization.

No--

Metal screams as the platform tears free, and he screams with it as he plummets. He crashes into the dome and doesn't have the chance to move before the platform's support girder lands on top of him, crushing him against the glass and pinning him in place from the chest down.