Honestly, while it's surprising that Kate and Clint are close... it's not surprising in THIS year. Especially if they're dedicating to releasing characters and story content with new voicework and locations EACH MONTH. A little bit of repetition and similarity between characters is fine.
I'm honestly happy to see this kind of support to a game that has more of a melee, rather than shooter focus. Gun love and fanaticism is so, SO overplayed in much of gaming right now. I like that this games range characters are more about precision and semi-fantasy weapons so far, and less about spray-and-pray realistic ones.
The bit of calm on Black Panther after Chadwick's passing was a nice touch. Once Panther makes it into the game, however, I hope he's the same VA as his MVC3 appearance. I find myself thinking about his character and voicework there, after having BP so uncomfortably shoved back into the limelight. It'll be nice to have a new positive to tie to the character.
Back to Kate, I really only know her due to Marvel Future Fight at first, but have a few comics of hers since then. If she's a unique Echo of Clint, but with some variations, I'll definitely enjoy the semi-clone fighters. War Machine with more Rockets, less Repulsors would be great (and an MVC throwback), even if they functionally do basically the same thing. "Here's my Sunday's best!"