It’s better with the pictures, obviously.
Thor, Ben and the Hulk are three members of a very exclusive fraternity, the “badasses who can lift a mountain” club. They don’t hang out a lot, but they have some common understanding of one another’s issues and can cut loose with one another with minimal consequence. Ben and the Hulk have been seen arm-wrestling as an annual get-togther. Similarly, Reed Richards hangs out with other 200+ IQ characters a lot, even if he doesn’t personally like them (Doom, Hank Pym, the Illuminati).