Iron Man 4 is 'in the works'? Posted by Matt Spatola 4/11/2014 02:02:00 PM age of ultron ant-man avengers +9 captain america comic books comics entertainment guardians of the galaxy iron man marvel movies news robert downey jr. the comics ticker tony stark age of ultron ant-man avengers captain america comic books comics entertainment guardians of the galaxy iron man marvel movies news robert downey jr. the comics ticker tony stark