Mark Ruffalo shared another insight into the Endgame BTS (Picture: Instagram)

Mark Ruffalo’s role in Avengers is the gift that keeps on giving, as the actor shares some behind-the-scenes images from the Endgame set with Chris Hemsworth.

Celebrating the Thor actor’s 37th birthday this week, the star who plays The Hulk blessed us with some insider action not yet seen by us mere mortals.