I'll still say Sinister is the best, but Prof X and Juggs are both great. Prof X just needs to build up his charges and then can rapid fire the specials, and Juggs is just Juggs for that last phase. I'd personally do Prof X of those options. The last phase isn't bad at all.
I just pulled a 7* of Professor X and Juggernaut, the only other option I have is Wiccan at 6*r1.
Who is the better option ?
I used 7r1 Wiccan for Capt Britain and GM phase 4. He was fine, but Juggs damage would have been better for Capt Britain. Damage isn’t important for GM phase 4, just power gain, so don’t worry. Whoever you take will be fine.
Prof x is actually great if you are able to buld the charges, because at mind control, you can quickly launch 3 specials in succession. In phase 4, gm is extremely passive so you can heavy easily and get the charges. On the other hand, juggs unstoppable helps if you mess with the dex in sp1 of gm.
Juggs is easily the best option, unstoppable comes in clutch if youre accidently clipped by sp1 and the increased combat power rate helps get to your specials easier
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In phase 4, gm is extremely passive so you can heavy easily and get the charges.
On the other hand, juggs unstoppable helps if you mess with the dex in sp1 of gm.