User blog comment:BatmanBaleLover/Who you think will be main villain for Season 5 ?/@comment-5919563-20120823220421/@comment-3328085-20120825115553

I thought the term was anti-hero. Anyway, as of Up Up and Away, Heather seems to be back to her TDI self. So my guess is if she is an antagonist, she'd at least team up with Al or something.