Marvel heroes Falcon and Winter Soldier are teaming up for a potential limited series at the Disney streaming service. Variety has learned exclusively that Malcolm Spellman has been tapped to write a series featuring the two superheroes, which is currently in development at the streamer. It is the first of the proposed Marvel limited series to find a writer. Falcon and Winter Soldier, played by Anthony Mackie and Sebastian Stan respectively, have both appeared in multiple Marvel films to date, including the recent blockbuster “ Avengers: Infinity War .” While Winter Soldier was a key character in the second “Captain America” film, the character who became the Winter Solider — Bucky Barnes — first appeared in the original “Captain America” film in 2011. Falcon made his first appearance in “Captain America: The Winter Soldier.” Spellman previously worked as a writer and co-executive producer on the hit Fox series “Empire” and wrote the screenplay for the feature film “Our Fa...