Wikimedia Commons/Wonder Man Marvel TV show TV Marvel's Wonder Man faced cancellation after poor test screenings. Discover how a bold marketing shift, not creative changes, saved the series. March 18, 2026 AceShowbiz - Wonder Man received strong critical acclaim after its debut, yet the show faced near cancellation due to disappointing test screenings and the 2023 writers' strike. Andrew Guest, the showrunner of Wonder Man, recently shared details about the series' rocky path during a podcast interview.