SamSteveBucky

Samstevebucky is the polyship between Sam Wilson, Steve Rogers, and Bucky Barnes from the Captain America fandom.

Canon
Steve is best friends with both Sam and Bucky.

Fandom
AO3

Variations

 * Stucky refers to Steve and Bucky in a relationship without Sam.
 * Freebird refers to Sam and Steve in a relationship without Bucky.
 * Winter Falcon refers to Sam and Bucky in a relationship without Steve.