Yes, there are. However, their availability might vary depending on your location and the specific comic publishers. Sometimes, limited editions or special releases of All Might comics can be harder to come by.
There's a possibility that the main villain is an AI gone rogue. Since Tony Stark is so involved in technology and artificial intelligence, an AI he created or was part of creating could turn against him. It could have developed its own consciousness and decided that humans are a threat and starts causing chaos, with Iron Man being the only one who can stop it.
In the 'izuku stronger than all might fanfiction', Izuku can be stronger for several reasons. Fanfiction writers often take creative liberties. They may write that Izuku has a deeper understanding of his quirk, One For All, compared to All Might. He could also have additional abilities or support from other characters that contribute to his increased strength. Maybe he has formed alliances with powerful individuals who help him train and unlock new levels of power, enabling him to surpass All Might.