Length Is Strength

How was he here? When Richard and the other two saw Zombie Captain America holding the Mind Stone Scepter and the Alloy Shield, all three wore surprised expressions. Although Captain America had not been among the first batch of infected, he had still been infected relatively early. Not long after Zombie Thanos overturned Hydra's secret base and left with the infected Hydra members, Captain America, Iron Man, Mister Fantastic, Human Torch, and the others had gone to stop Zombie Thanos.