The Marvel Cinematic Universe is growing and not just in the number of projects being released. The MCU has expanded beyond a single universe, introducing the Multiverse as the central focus of Phases Four, Five and Six – appropriately dubbed The Multiverse Saga. New characters are introduced regularly while familiar faces make the leap from the background to the foreground. One character that is primed to do just that is Peggy Carter.
Source:https://www.cbr.com/mcu-multiverse-saga-needs-captain-carter-agent-carter-revival-series/