@Matt
"The Handbook in this case doesn't contradict the story. It was the Tribunal who appeared and the handbook says it was the Tribunal. Not a manifestation."
Except it just says "the Tribunal". If Thanos absorbed the Tribunal + Eternity + Infinity, and there were still realms of the multiverse he didn't absorb, then he didn't absorb the entire Tribunal.
"He absorbed the Tribunal, who in this context of this story is separate from death. Tribunal being the composite of the Abstracts has come up once."
And is established later when the Tribunal is the full embodiment of the Marvel multiverse. If he didn't affect all the Abstracts, even if we ignore Oblivion, he's not affecting the entire Tribunal. Further clarified by the fact that, again, he's repeatedly only stated to affect and absorb one universe.
"The HOTU is directly heralding from the TOAA and he is stated to be second, or even equal."
Literally nothing in the actual story suggests this on anything beyond a universal scale.
"The HOTU appears in other storylines and in it Infinity states that it is more powerful than the Tribunal, and in The Infinity Finale Thanos outright states that he once gained a portion of TOAA's "Omni-Reality Powers" when talking directly to TOAA."
Do you have the page? Because not every "compares to the Tribunal" is as clear-cut as the Beyonders explicitly murdering TLT across all planes of existence, or something.
"The Heart of the Universe only warped one universe because it is the Heart of the Universe, every universe has its on. But that doesn't mean it's only Low 2-C in scale much like the IG isn't Low 2-C only."
This isn't about it only warping the universe. If you want to scale it from the full Abstracts due to beating the universal Abstracts that show up in The End, but Thanos killing them very blatantly doesn't effect universes or realities beyond his own, you need to show they're the full Abstracts, in the first place.
@Kep
"That is not at all a reason to discredit the entire databook. Those particular bits are flat-out contradicted by the series itself. Oblivion itself states he has none of the limitations Death, Infinity and Eternity have."
These are also limitations the Tribunal has. It's not exactly 100% contradictory. We just assume it is because it makes things easier.
"A statement from supporting material should be taken as proof unless the primary canon outright contradicts it or if it is self-contradictory"
And again, this statement doesn't say "HOTU Thanos >>>> full Tribunal".
"TLT and Death were separate at this point of the story."
Again, where is the proof of this on a multiversal level, which is what's being claimed?