Regardless of threat magnitude, if someone left comics after Secret Wars, he would have missed some good stuff. In no special order:
* Hickman's X-Men
* The robot revolution in the Iron Man 2020 comics
* Donny Cates' Venom
* Old Man Logan around the 616 world
** Dead Man Logan
** Old Man Hawkeye
** Old Man Quill
* All-New Wolverine (Laura, no longer X-23)
* Amazing Mary Jane
* Renew Your Vows
* Asgardians Of The Galaxy
* Black Bolt
* Black Cat
* Black Order
* Ta Nehisi Coates' Black Panther
* Ta Nehisi Coates' Captain America
* Champions
* Hopeless' Cloak & Dagger
* Cosmic Ghost Rider
* Soule and Zdarsky's Daredevil
* Spider-Man & Deadpool
* Waid's Dr. Strange
* Dr. Doom
* Domino
** Hotshots
* Spider-Geddon
* Slott's Fantastic Four
* Spider-Gwen
* Cates' Guardians of the Galaxy
* Immortal Hulk
* Infamous Iron Man
* Miles Morales: Spider-Man
* Nebula
* Punisher: Soviet
* No Surrender
* Rogue & Gambit
* Runaways
* Squadron Supreme
* Superior Spider-Man (except the ending)
* Thanos
* The life of Captain Marvel
* Cloonan's Punisher
* Rosenberg's Punisher
* West Coast Avengers
And so many others...