Possible Arkham City Easter Eggs?

What do you think of these?

NOTE: I DO NOT TAKE CREDIT FOR ANY OF THESE DISCOVERIES NOR DO I TAKE CREDIT FOR THE VIEOS. ALL CREDIT GOES TO StrongstarProds, heres his channel http://www.youtube.com/user/StrongstarProds?feature=watch

@royharperblow: He might be on to something here...

Didn't bother watching the Man-Bat one since I already found it. But for the rest, this guy's a genius.

bump

Also the Hush side plot was never resolved.

Good find. I didnt know about any of these.