Fans React to Rumours of Robert Downey Jr. and Ryan Reynolds Clash on 'Avengers: Doomsday Set'

Reports of behind-the-scenes tension fuel speculation that two of Marvel's biggest stars came to blows during filming

Robert Downey Jr. and Ryan Reynolds

Speculation is growing around Avengers: Doomsday after reports of behind-the-scenes drama pointed to a major clash between two leading stars. Insiders claim tensions erupted when a joking remark allegedly went too far, sparking a heated confrontation that forced Marvel Studios to reshuffle its filming schedule. While the actors' names have not been confirmed, fans have zeroed in on Robert Downey Jr. and Ryan Reynolds as the likely figures at the centre of the dispute, citing their outspoken personalities and dominant presence on set.

The speculation follows earlier reports that Downey Jr. demanded extensive reshoots, insisting on personally filming scenes as Doctor Doom after weeks of material had already been completed with stand-ins. Industry insiders have described the atmosphere on set as increasingly chaotic, drawing comparisons to the infamous Fast & Furious disputes between Vin Diesel and Dwayne Johnson. With Reynolds' Deadpool brought into the film to revitalise Marvel's struggling box office fortunes, rumours of friction between the two stars have only added to the growing perception that Avengers: Doomsday has become one of the most turbulent productions in the studio's history.

Robert Downey Jr. and Ryan Reynolds
Avengers Cast

Although neither actor has publicly addressed the reports, the speculation has dominated fan discussions online. Social media has been flooded with theories, memes and commentary dissecting the alleged fallout, with many questioning how Marvel will manage its star-studded cast if egos continue to clash. As one of the most highly anticipated films in the MCU, Avengers: Doomsday faces enormous pressure to deliver, and any off-screen conflict between Downey Jr. and Reynolds will only heighten scrutiny as the December 2026 release date draws closer.

Originally published on IBTimes UK

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