This may sound like an issue of pay to win, and to a certain extent it is, but from what we were shown in the demo it seems like its not too difficult to assemble a competitive deck using just the resources provided, meaning winning will ultimately come down to the skill you have more so than the cards you own
Not only can this character take on big bads like Galactus, she's also the most popular commander in the entire Marvel Superheroes set, with almost exactly 4,000 decks logged on EDHREC at time of writing
Let's see why
Super Fusion God has a level of
5 Jarad, Golgari Lich Lord + Jumbo Cactuar Send That Damage Right To The Face Attacking with Jumbo Cactuar makes him a 10,000/7, but for all that might, it can be blocked by a measly 1/1 token, and nothing will happen to all that damage