Marvel Super Action #13

Lured to an arcade by a faked message Cap is ambushed by HYDRA assassins. Failing to kill Cap the leader is punished by Madame Hydra. Rick accepts a drugged message meant for Cap and is abducted by Hydra. Seeking out Rick, Cap returns to the arcade and is attacked by the Man-Killer, a HYDRA robot. Rick escapes & tries to warn Cap, just as he takes out the robot. Abruptly, Cap appears to leap from a rooftop into the river through a barrage of HYDRA gunfire. The police only find his costume and a mask with the facial features of Steve Rogers, suggesting Rogers was a fake identity.