i know the rules change voided the wildcards using thunderbolts to wildcard to, but what about using antman to tbolt to jsa then use a jsa fig like the new flash from aa to share that shiny new 20 def to dawnstar for example. the wildcard isnt copying the thunderbolted avenger jsa ta but using the original jsa fig to share that def. am i right?

T-Bolted figures can go both ways with natural members.

that is to say- yes

or written longer
your JSA fig can borrow a thunderbolts defense, and your wildcard can borrow the JSA team ability from the JSAer (but not the thunderbolt) and then get the thunderbolts defense from either a daisy chained JSAer or the thunderbolt directly.

The thunderbolt is able to share its defense with anyone USING (not POSSESSING) the JSA ta, so it can give its defense directly to the widcard- as long as the widcard has a JSAer somewhere on your force to WC from.