Crossbones is a MARVEL SNAP card that costs 4 energy and has 8 power. It has the effect: "You can only play this at locations where you are winning."
It has variants that are part of the Chibi, Noir, Pixel, Pantheon, Hydra and Dan Hipp categories.
Crossbones has synergy with Zabu, Ebony Maw, The Infinaut, War Machine and Hope Summers.