Well, the appearance of infinity after time runs out in a story can vary. It could be used to represent an afterlife, a continuation of consciousness, or a new dimension beyond the constraints of time as we know it.
I'm not entirely sure as 'hc visual novel' could be about many things. It might be a story - driven experience with unique characters and various plotlines.
Thor could be angry. He's a proud warrior and being kicked out like that might be seen as an insult. He might even challenge Tony in some way, either verbally or physically. However, he also has a sense of honor and might listen to Tony's reasons if given the chance.
Well, in the world of graphic novels, TP is commonly understood as Trade Paperback. It's a format where several comic issues are compiled together. HC, on the other hand, means Hardcover. These are usually more expensive but offer better protection and presentation.
The Avengers might be initially shocked. For example, Iron Man could start by using his technology to find ways to help Hawkeye communicate better within the team. He might create special devices for him.