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So, what does Jimmy Fallon do?
Jimmy Fallon rents a whole polygraph and hooks our precious Mark right up to it.
Folks, Mark Ruffalo is extremely cute.
Jimmy Fallon Tries to Get Mark Ruffalo to SpoilAvengers,Again
Jimmy Fallon strapped Mark Ruffalo to a lie detector and asked him all kinds of spoilery questions about Avengers: Endgame and even the end of Infinity War.
