Please help me fight the 5.3.4. Boss.

Been stuck trying to fight the boss, Hyperion with his stun immune buff and power gain buff, in the fourth section of chapter 5. I am using six stars and yet that isn't helping me even a little bit. For six stars I have Hulk: Immortal, Hit Monkey, Medusa, Black Panther, Thor: Jane Foster, Jubilee, Iron Patriot, Invisible Woman, Spider-Gwen, Cull Obsidian, Abomination (OG), Ms. Marvel (OG), and Cyclops (Xavier School). Is there any other champion that I could try and catch? Does anybody know which setup in my mastery (points) would help?
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Comments
There are many Mystics who can be very effective against Hyperion - Dr Doom, Black Widow (Claire), and Mojo are particularly good.