The Metal Men are together again, as Nth Metal Man, Gold, and Tina are reunited with Magnus and the rest of the team -- but now they've got a one-way ticket to the Dark Multiverse, so how will they get out? And to make matters worse, they run into their own worst enemies, and Nth Metal Man's old friends -- Dark Multiverse versions of themselves! Plus, a surprise guest star will appear to help, in this most unlikely of places!