[Left anonymously with no note/explanation on a chair or table on the listed suite balconies in the middle of Sunday night and I swear I'm done with present posts now.]
[#213 (616 Clint Barton & Bucky Barnes (PH))] Some kind of musical instrument:
[#410 (Bucky Barnes (MCU), Natasha Romanoff & Anakin Skywalker)] Assorted chess pieces adding up to 1 mismatched set, egs:
[#1013 (T'Challa & Shuri)]
[#111 (Wanda Maximoff (MCU) & Finn)] Tied to a door handle so it doesn't blow away, pearl beaded hairnet: