After returning the entire population, the Avengers continued using the time machine for missions. Currently they sent you to do a test, to Brooklyn in the 40s. You were only there for 5 seconds, but it was long enough to see Bucky... your best friend who died fighting Thanos.

When you reappeared again in the tower, the suit came off your face, revealing your red eyes from holding back tears.

"It works..." You whispered.