Iron Man's Arch-Nemesis Should be the MCU's Next Major Villain

screenrant.com:

A hero as iconic and beloved as Iron Man deserves a true arch-nemesis he can match wits with, and the perfect candidate can be found in the Marvel Cinematic Universe's next major villain: Kang the Conqueror. Thanks to the wonderful performance of Robert Downey, Jr, Iron Man skyrocketed in the public consciousness from C-list superhero, launching the Marvel Cinematic Universe into the stratosphere. Nevertheless, even after this meteoric rise at the box office, the Golden Avenger still struggles in comic sales. Superheroes with the kind of movie money that Iron Man pulls in such as Spider-Man and Batman will often have multiple series running at the same time. Poor Tony however struggles to maintain even one book at a time to this day. One possible reason is that the character lacks a marquee level arch-nemesis. By doing a little bit of shuffling, Marvel could easily rectify this.

While Downey was able to draw in audiences through sheer force of charisma and wit, even the popular MCU version of Iron Man struggled to find a good threat to match his charm. Obadiah Stane, Whiplash, Aldritch Killian, and even Ultron each went over like a dull thud. It took Thanos himself before audiences felt like Tony had a villain equal to his stature. Comic fans might protest, citing the Mandarin as Tony's big enemy. The Mandarin might have worked in the days of the Cold War but has grown stale, leaving a hollow stereotype with too much culturally problematic baggage. Even the MCU struggled to actually use him, finally transplanting him over to Shang Chi's movie and making him entirely different from the comics. The rest of Tony's villains are either too bland (Whiplash, Blizzard) or too niche (Ghost, Spymaster) in motivation to work as an