From that day on, there has only been one job that repeats for the avengers, give a sandwich to the bad guys, tell shaggy it's his, and just make sure shaggy doesn't turn on them.
Thanos: hand over the infinity stones
Iron-man: I don't have them. They're in that sandwich
Thanos: *destroyes sandwich*
Shaggy: has anyone seen my sandwich
Thanos: