As Charco well said, you can read and get a lot of info in the blog. All the news and information is there.
Anyways, to clear your doubts and questions...
1) Nope. Adam is "under construction" and you can see some more info about him in the blog.
2) No, it's not only you, that happened to the majority of people here. Blaze will change drastically too. And that issue is already fixed. (All characters and enemies will change or improve)
3) It's a little glitch with the impact system. Has been fixed too.
4) A VERY common issue. That bug has been fixed long time ago. Dont worry.
I hope i helped you, but please, a lot of people is askin' about different issues or even the same things, so, check out first the blog and the Bomber's Team comments before post something regardin' the next updates. Thanks.
Thank you and sorry...made note for future reference....I got it now thanks to all who replied.