VIDEO : New 'Avengers 4' Director's Photo Leads To Title Theories

There's no one who loves teasing Marvel Cinematic Universe fans more than Avengers: Infinity War and Avengers 4 directors, The Russo Bros. With fans are still in the dark about what the title for Avengers 4 will be, the Russo Bros decided to toss some gasoline on the fires of speculation, posting a pic from the set of Avengers 4 that invites fans to look and possibly discover a big reveal.