Deadpool had a little lamb (read: inflatable sheep gun)
You know, if it weren't for Edison, folks watching the Deadpool movie would be watching the Merc without a Mouth since there'd be no actual sound. Well, okay, presumably somebody else would have stepped up and figured out how to play back recorded sound, but Edison was the first. He patented his discovery of the phonograph on this day in 1878. Now if only he had figured out how to make everybody in the theater shut up...