User blog comment:Erockrule/Next Time On Young Justice " Darkest"/@comment-72.92.239.142-20120930183214/@comment-4521940-20120930210957

http://www.youtube.com/watch?v=l4yzEv2K9zY for the first one 1:10

http://acexlove.tumblr.com/post/32538445663/ok-these-previews-in-the-commercial for the 2nd. No idea where to find the one for Bue Beetle.