A leaker who claims to know Marvel’s MCU Phase 4 plans going forward said that Iron Man, Captain America, and Black Widow would make an appearance in an upcoming movie in the most unexpected way.
Scarlett Johansson and Jeremy Renner both joined the MCU in Phase 1, Johansson as Natasha Romanoff's Black Widow in Iron Man 2 and Renner as Clint Barton's Hawkeye in Thor. After spending years as ...