Incidentally, I am looking on Amazon and they seem to have good package deals on the 80D.
Be very careful about "package" or "bundles". They often throw in a lot of junk-grade accessories to pump up the perceived value of the package even though much of it is rubbish that you'd never buy if you were picking it out each item.
If you have any questions, just post a link to a package you are considering and the community will give you feedback.
What Canon would include would be the body (and dust cap for when no lens is attached), battery, battery charger, neck strap, cables, and manuals.
If you buy a body + lens "kit" then they'll also include the lens and a front and rear dust-cap for the lens. However the kit lenses are intended to be "affordable". Canon's "STM" lenses have exceptionally quiet focusing motors and since they are newer they also have improved optics.
No camera manufacturer that I know of will include a memory card (although memory cards are not particularly expensive).
Sometimes a seller will try to throw in extras like a tripod, filters, extra "lenses" that aren't really camera lenses... they're focal length multipliers or focal length reducers (and usually garbage). I have (more than once) heard horror stories of buyers threading these focal length modifiers onto the front of their lenses... discovering that the threads got jammed and they couldn't remove the focal length modifier and ended up damaging the lens (I wasn't kidding when I said "garbage"). Sometimes they throw in a flash (also usually rubbish).
I would
avoid those bundles.
If you're going to get any extra lenses then you want that lens to be either Canon or Nikon (depending on whether you buy a Canon or Nikon camera) -or- one of the well-known and reputable 3rd party lens manufacturers such as Sigma or Tamron. Even Rokinon make some budget priced (no-frills) lenses that actually have surprisingly good optical quality even if the rest of the lens is lacking in modern features such as auto-focus, auto-aperture, or image stabilization.
Some more reputable sellers (e.g.
B&H Photo or
Adorama) might include more practical extras in their bundles... such as a low-cost camera bag (the type that might cost $10-15 if you purchase it separately). Sometimes they'll include a memory card (even from a good brand such as SanDisk or Lexar). They might even include a spare battery (although it's usually an off-brand battery... my personal experience after trying about 5 different off-brand batteries is that they work but they don't have as many recharge cycles ... basically they don't last as many years before they need to be replaced.)