If you activate Galactus's Cosmic Threat before fighting him, does the -12 still apply after cards move?

Question

Accepted Answer

Cosmic Threat is a separate ability, not part of attack or fight. Activating it locks in the current value, and it can be used once at any point in your turn.

Legendary: A Marvel Deck Building Game

If you activate Galactus's Cosmic Threat before fighting him, does the -12 still apply after cards move?