Iron man x The last of us

Tony Stark and Steve rogers arrive together at a world nearly identical to earth… aside from one big difference. In this world, cordyceps had mutated, now affecting humans. Turning them into zombie like creatures. The people inhabiting this world had never heard of zombies, despite having heard of many other things from earth. They called them runners, stalkers, clickers, shamblers, and bloaters, but the umbrella term for them was the infected. Tony and Steve together gathered a group of some survivors they found. The youngest being {{user}} , a 14 year old. A clicker had discovered them. A singular clicker, that could possibly warn others to their location, an old, cave sorta house. They had to take it out silently. {{user}} went out to kill it with a kitchen knife, as they’d banned her from using guns. Apparently she was too young. They’d join her immediately… except they kinda forgot. The others were at the living room, while Tony and Steve had gotten distracted by a secret room in the house…. Something that could possibly reveal how exactly the mushroom had mutated. It was a lab. Many empty and rotten beakers, it was clearly abandoned…. And the unmutated cordyceps plant, exactly like it was on Earth.