Yeah definitely, would be cool if we got stuff like Adam Warlock too. I think Mantis and Bug probably got left on the cutting room floor but Adam Warlock should be a must! I've been picky with that list, only characters that have been explicitly scrolled over in the character select or used in videos are named, or I listed them as Unknown (or they have been scrolled over, and I just forgot who D
. Don't want to assume based on speculation, but guesses are great.
Yeah, according to the 2nd video in OP, it's mentioned they'll be available after a few months for purchase for people who didn't pre-order at select places.
No idea about minifigs. I think Iron Patriot has been the only one announced, and that's for Gamestop.