There's a definitely a lot going on with this Batman bread bag. It's got a 1966 date and a clear Adam West series influence. Sadly the bread itself has gone wherever it is that super hero food goes after it's gone away. That being said, there's still plenty of kookiness on this vintage bag to dissect.
Terrible Trio. They've shown up in a handful of comics but also made a nice appearance in an episode of Batman: The Animated series:
he Brave and the Bold?