How to beat the final boss in Avengers' Black Panther expansion (spoilers)

[Windows Central]

There are two final bosses in the War for Wakanda expansion for Marvel's Avengers. But there's also an easier way to beat them than you might think there is.
The Black Panther - War for Wakanda expansion for Marvel's Avengers is the biggest, most impressive expansion for the superhero game to date. It not only introduces King T'Challa, the Black Panther, Shuri, Okoye, and Zawavari, but two new villains in the shape of Crossbones and Klaw.

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