some time after his official introduction as a superhero, rockman joins captain america, the invaders and a cadre of second-tier superheroes in the battle of berlin. there he is ambushed and captured along with blue blade, the black widow (unrelated to the modern character of that name), captain wonder, dynamic man, fiery mask, laughing mask, the original master mind excello, mister e, phantom reporter, the witness and the telepathically controlled robot electro.