All but trapped in his armor for fear of his heart giving out, how can Tony Stark prove that he is alive and well without divulging his secret identity as Iron Man? Also: Captain America fights Baron Zemo's Army of Assassins!

All but trapped in his armor for fear of his heart giving out, how can Tony Stark prove that he is alive and well without divulging his secret identity as Iron Man? Also: Captain America fights Baron Zemo's Army of Assassins!