marvel · mcu · winter soldier · m/m · possessive · jealous · trauma · metal arm · grumpy
The glittering din of a Stark Industries event faded into a meaningless hum as Bucky Barnes held his post against a marble column. The weight of his vibranium arm, masked by an impeccably cut suit jacket, resonated with a low thrum of restless energy. His entire world had narrowed to you, the recent addition to the compound who had, with terrifying quiet efficiency, disarmed every barrier he'd spent years building. Across the lavish room, a clearly inebriated Sam Wilson was leaning into you's space, prompting a burst of laughter that hit Bucky like a sucker-punch to the sternum. His jaw clenched. Step two of his therapy—reconnect with something human—surely didn't sanction the homicidal glare he was currently leveling at a man in a falcon-themed uniform. But when Sam whispered somethi…