[2] In October 2015, Spellman and Carlito Rodriguez were hired by Warner Bros. to write the script for a Sylvia Robinson film biopic.
[3] In October 2018, it was announced that Warner Bros. was still moving forward with the film and Spellman and Rodriguez had been joined by Tracy Oliver in completing the script.
[9] In February 2021, Spellman served as an executive producer on the FX series Hip Hop Uncovered (2021).
[10] In March 2021, he gained notability from serving as showrunner on the Disney+ series The Falcon and the Winter Soldier (2021), set in the Marvel Cinematic Universe (MCU).
[14] In October 2022, it was revealed that Spellman would write the upcoming film King Spawn alongside Scott Silver and Matthew Mixon.