Thanks. I don't want to knock X-Men. I'm sure many find them more interesting than Avengers (explaining why they were top sellers for so long)
But individually they don't really catch my interest. The Avengers all have their own sub-worlds, and even characters like SW, Vision, Quicksilver, and so forth, who don't have their own franchises, have their own distinct mythos and weird connections. Some X-Men stand out, like Wolverine, who's one of my favorite Marvel characters period. Again though, this is subjective, not objective. I still hope for the best for the MCU X-Men.
I'd like to catch up on Scarlet Witch and other Avengers. I've read some Iron Man back in the day, and some Spider-Man, but I haven't really been systemic about recent comics.
I love the X-Men, but I think they're popularity in the 90's due to the cartoon made Marvel treat them and the Avengers differently. Like they didn't want to sully the X-Men with Avengers so they kept them very separate. Being closed off from the rest of Marvel, because let's be honest, a lot of X-Men fans don't like and aren't interested in the Avengers at all and the X-Office knows that, made their stories self contained and at times repetitive.
The Avengers had more versatility because they're where everything that isn't X-Men and Spider-Man goes. The Fantastic Four shares a bit more with them though.
It's a shame that a lot of X-fans are very anti-Avengers, but I think that's the X-Office's doing since they wanted the X-Men to fight their own battles without the Avengers' help making them believe that the Avengers didn't condone the treatment mutants received.