When it comes to the Omnibus format of collected editions, Ghost Rider hasn't seen a whole lot of love over the years. To date there have only been five Omnibus editions for the character, with one of which being long out of print:
COSMIC GHOST RIDER OMNIBUS
Collecting THANOS (2016) #13-18, THANOS ANNUAL (2018) #1, COSMIC GHOST RIDER #1-5, COSMIC GHOST RIDER DESTROYS MARVEL HISTORY #1-6, GUARDIANS OF THE GALAXY (2019) #1-6, AVENGERS (2018) #22-25 and REVENGE OF THE COSMIC GHOST RIDER #1-5; and material from THANOS LEGACY #1 and WOLVERINE: BLACK, WHITE & BLOOD #3.
GHOST RIDER BY JASON AARON OMNIBUS
Collecting GHOST RIDER (2006) #20-35 and GHOST RIDERS: HEAVEN'S ON FIRE #1-6.
GHOST RIDER 2099 OMNIBUS
Collecting GHOST RIDER 2099 (1994) #1-25.
GHOST RIDER: DANNY KETCH OMNIBUS VOL 1
Collecting GHOST RIDER (1990) #1-24; SPIDER-MAN (1990) #6-7; MARC SPECTOR: MOON KNIGHT #25; DOCTOR STRANGE, SORCERER SUPREME #28; PUNISHER WAR JOURNAL (1988) #29-30; GHOST RIDER/WOLVERINE/PUNISHER: HEARTS OF DARKNESS; and material from MARVEL HOLIDAY SPECIAL (1991) #1, and MARVEL COMICS PRESENTS (1988) #64-71 and #90-118.
GHOST RIDER: DANNY KETCH OMNIBUS VOL. 2
Collecting: GHOST RIDER (1990) #25-40, GHOST RIDER/BLAZE: SPIRITS OF VENGEANCE #1-13, MORBIUS: THE LIVING VAMPIRE (1992) #1 and #12, DARKHOLD: PAGES FROM THE BOOK OF SINS #1 and #11, NIGHTSTALKERS #1 and #10, GHOST RIDER/CAPTAIN AMERICA: FEAR, X-MEN (1991) #9, WEB OF SPIDER-MAN (1985) #95-96, MIDNIGHT SONS UNLIMITED #3 and material from MARVEL COMICS PRESENTS (1988) #119-130, MIDNIGHT SONS UNLIMITED #1-2 and MARVEL HOLIDAY SPECIAL (1991) #3
However! In October Marvel will be releasing not one but TWO Ghost Rider Omnibus volumes to the delight of those of us willing to pay exorbitant amounts of money on books that weigh a metric ton. I personally love the Omnibus format and it's my preferred way of collecting these days, they just look so damn nice on my bookshelf. Here's the details on what's coming in the Fall: