I believe there was a book at one point which was called Marvel Universe. I never read it. What was its concept ? (I'm not talking about The Official Handbook)
I always thought such a book would be necessary to feature different characters (who got their own series canceled) in great and I mean great stories.
Characters like D.P.7, Psi-Force, Quasar, Wonder Man, Nightcrawler, Sleepwalker, Nomad, Scarlet Spider (why not put a little what if in it ?

), Spider-Man with black symbiote, Sabretooth, Iron Fist, Shang-Chi, Kyllian, Beyonder, Captain Universe, Black Cat, different characters of What Ifs and MC2 and others like Rachel Summers, Guardians of the Galaxy, Galactic Guardians, 2099, etc. There are lots of important characters for the minority of fans who cares about them. Such a book could encompass them all and tie up loose ends and resolve storylines (not become a boring fill-in though). This book should be a cornerstone, an anchor, a classic, a high-quality book not to be canceled, but, instead, always to be improved on (NOT re-vamped !!! CLASSIC !!!).