Bullseye came up in conversation when Frank confronted Matt about Foggy's death at the end of episode 1, and Matt's reliance on the system instead of taking matters into his own hands with violence. Of course, Matt did push Bullseye off the roof of Josie's bar, but he's keeping that detail from Frank – for now, at least.

Daredevil: Born Again episode 4 saw the introduction of a major Marvel character into the MCU: Jon Bernthal's Frank Castle, AKA Punisher. Bernthal played the fan-favorite character in Netflix's Defenders Saga,