Flame On! (and On, and On, and On)

Cost: 100 Silver

Boss: Fin Fang Foom

'Iron Man: Heads up, Squad. Those fires you see all over the place aren't for cooking my new Nano-Smores. It's Fin Fang Foom! Time to Hero Up and cut that big green dragon down to size!'

Enemies: Lizardlings, Skrulls