Who to take to R4 6star?

Marcoqua

Hi have the following… right now shang chi and dr doom duped are rank 3 6-star… the rest of the rank 2 i can easily rank 3… who among them should i take to my first R4 6 star?
Leaning towards doom obviously

Unknown

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GroundedWisdom

Kind of leaning towards Nim.

Marcoqua

Btw i have max ranked duped apoc and nimrod 5 star already tho hehe.

Marcoqua

Moosetiptronic

Apoc and nimrod. Have both 5/65 apoc and r4 apoc. Both get used still.

Nimrod unduped is a sneaky battlegrounds r4 too, as he will appear low down.

Doom does not need it.

Mephisto

Apoc for sure

Marcoqua

Ohhhh thanks i just figured since i have doom duped on 6* might as well take him higher for bigger damage and get thru quests easier?