Use this as a tool for your locked and private stories to cover up major reveals or plot twists. Also Use It To Make It Mean You Can't Find The Person For The Role.
Spoiler
"The Stone has been lost. Earth remains defiant."
for "The Stone has been lost. Earth remains defiant." in The Avengers (2013)
Suggested by zenith2024
The return of Loki and his theft of the Tesseract forces SHIELD to assemble Earth's mightiest heroes to combat him.