He could just be teasing, but this certainly wouldn’t be the first time or the second that Mark Ruffalo, in charmingly clueless fashion, has let a spoiler slip about an MCU movie.
We all want to know what Mark Ruffalo’s off the record slip was and what clues it might give us about Avengers 4.
Don’t be surprised if The Tonight Show’s ratings show an uptick for tonight’s episode.
This just became mandatory viewing, or at least something worth DVR-ing and skimming through later.