If you are not sure about gloomhaven get Jaws of the Lion. It's easier to learn and get to the table than the big box. Not very story heavy and not many decisions, but might be a nice introduction to dungeon crawlers.
I started playing marvel champions. I'm playing with people as well as solo, and am loving it both ways, so I fear my budget will suffer with all the content available. I knew I should not start an LCG...