Marvel fans baffled as Robert Downey Jr unfollows all former MCU co-stars on Instagram

Yinsen saves Tony Stark's life - Iron Man (2008) Robert Downey Jr has left Marvel fans in shock after unfollowing all of his MCU co-stars on Instagram. The actor played Tony Stark, AKA Iron Man, in 10 films in the popular superhero franchise. Though his character was given a hero's...