Avengers Age Of Ultron: Mark Ruffalo & Robert Downey Jr. Together Again On Set

As Avengers: Age of Ultron officially begins filming in London, set photos from the actors reassembling for the film begin to appear. Yesterday was the first, as Robert Downey, Jr. (Tony Stark) posted a set photo of himself to Twitter. Today, marking the completion of the first day of filming, actor Mark Ruffalo (Bruce Banner/Hulk) sent two new set photos out to the world. He began on Twitter by saying:

Today was the first day of shooting “Age Of Ultron” when all of the Avengers we reassembled! Awesome sight!

He followed that up with an attempt to catch Scarlett Johansson in a photo (she blocked herself with her robe), and a photo of the Science Bros reunited, himself with Robert Downey, Jr. You can see them embedded below.In Avengers: Age of Ultron, the Avengers reassemble to battle the sentient robot known as Ultron.Avengers: Age of Ultron comes to theaters May 1, 2015.