Sabretooth, Gambit, Blob, White Queen (she goes diamond form in the last part of the trailer), Deadpool (played by Ryan Reynolds), Beak, and Silver Fox are also in it. Also a couple I am not quite familiar with, Agent Zero, John Wraith, and Weapon XI.

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I Am Pilot Error...
I Am Fetal Distress...
I Am The Random Chromosome...
I Am Complete And Total Madness...

I Am Fear!