It's hard to say for sure. Comic Gigante de Hierro might have some unique abilities that could surprise Superman. But Superman's wide range of powers and his battle experience usually make him a tough opponent to beat.
Superman would likely win. His powers and experience give him an edge.
I think Superman has a better chance. His strength, speed, and invulnerability make him a force to be reckoned with. However, it could depend on the specific circumstances and the story's context.
Chapter 346, "Elite Warriors, One vs Three, Reason Behind the Beast Tide [10,000-Word Chapter, Continued Tomorrow]", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Kill them!" As Xia Chuan's voice echoed, the six thousand soldiers of... to At this moment, Xia Chuan wore no armor, only a red Viscount's formal....
Chapter 347, "Mirror Valley Council, Power Surge, Dajue Temple, Eight Battalion Tournament", is the clearest early answer because it turns Luo Ming's situation into a concrete plot event. The chapter turns that into something concrete by moving from As the first station in the Great Xia's expansion, Mirror Valley... to Since Luo Ming was newly appointed last year, he would likely be....
Chapter 315, "The Strange Cold Apple Trees and the Seized Silver Mine (2)", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The chapter turns that into something concrete by moving from Sometimes heading east, sometimes west, suddenly diving down, and... to The length of its underground root was even more incredible,....
Chapter 81, ""Chicken Fleeing and Crabs Escaping" cp", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Qi Tianyu, who chose curry beef rice, received a piece of curry and a...
Chapter 341, "Moao's Nine Garrisons, the Inspection System and Zhenyu, Li Hu and Hong Yuru (Part 2)", is the clearest early answer because it turns Cold Resistance Level's situation into a concrete plot event. Early on, Lord Wang is not wrong, but not entirely right either.. By the end, Bai Pingshan, being sensible and grateful, did not ask many questions..
Chapter 193, "Do You Really Think the Audience is Blind?", is the clearest early answer because it turns Think's situation into a concrete plot event. It opens with Jiang Shixu's eyes lit up when he heard there was a gift. and closes on Jiang Cheng was a prime example..
Chapter 336, "Cultivation, Enlightenment Lotus Platform, Major Building Upgrades", is the clearest early answer because Xia Chuan finally turns buildup into a real advancement. It opens with [Unopened Building 2: Small Wooden Desk, Rough Iron Chain] Xia Hong... and closes on As expected, according to the pattern that the greater the resources....
Chapter 343, "Rounds of Bone Tempering, 1000-Strand Bone Burning in the Visible Yang Realm (Part 3)", is the clearest early answer because Xianyang Level finally turns buildup into a real advancement. Early on, Above the entire Star-picking Hall, it was as if a nuclear explosion.... By the end, Since my bones are fine, it proves that above Jade Bone, there really....
Chapter 320, "Prototype of the Governmental State, Intensive Follow-Up Arrangements (Part 3)", is the clearest early answer because it pushes Long Mountain into a new phase or setting. Early on, In this way, the entire camp is still largely controlled by the Six.... By the end, The Seventh Prison Department can be established first..
Chapter 342, "Founding Ceremony, Childhood Sweethearts, Did the Star-picking Hall Catch Fire?", is the clearest early answer because it turns Hong Ye's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Great Xia, Year 7, September 9 Time flies, and three more years have... and follows through with Last time you hunted a low-level Thunder Kui all by yourself, is this....