You can now watch the entire What If...? Season 1 Episode 1 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
After an ambush in the lab, Peggy Carter steps in and takes the Super Soldier serum and uses her newfound power and strength to charge right into battle.Â