Mark Ruffalo Tweets 'Science Bros' Selfie And More From AVENGERS: AGE OF ULTRON Set

Today was the first day of shooting "Age Of Ultron" when all of the Avengers we reassembled! Awesome sight! @Marvel

— Mark Ruffalo (@MarkRuffalo) April 23, 2014

Photo: Almost got her!!! @marvel http://t.co/Y8iE8ty3Do

— Mark Ruffalo (@MarkRuffalo) April 23, 2014

Photo: @robertdowneyJr Bros. http://t.co/8AuFCF6a3x

— Mark Ruffalo (@MarkRuffalo) April 23, 2014

@MarkRuffalo Maaaarrrrrrrk.

— Marvel Entertainment (@Marvel) April 23, 2014

Flattery will get you nowhere! Probably. Maybe. *looks the other way* RT @MarkRuffalo: @Marvel I adore you.

— Marvel Entertainment (@Marvel) April 23, 2014

I'm sorry @marvel. I will be better. I'm like your black sheep Avenger.

— Mark Ruffalo (@MarkRuffalo) April 23, 2014

Source: http://www.comicbookmovie.com/fansites/MarvelFreshman/news/?a=98648