The death of Melanie Cavill (Jennifer Connelly) could be retconned by Snowpiercer season 3 but how will TNT's post-apocalyptic series bring the Chief Engineer back?Snowpiercer season 2 ended with a pirate group led by Andre Layton (Daveed Diggs) and Melanie's daughter Alexandra (Rowan Blanchard) discovering that Melanie sacrificed her life in order to keep the data she gathered safe for Snowpiercer.
Cavill proved that Earth is warming from the Freeze but by the time Layton's people reached
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