Help please

Mentalboy1

Looking to rank up my 6stars to rank 2 slowly and some 5* up to r5 thisy shortlist so far, who should I do first? Currently on act 6

6* spidy 2099 awakened
6* modok
6* mangoog
6* iron man og
5* infamous iron man R2
5* Scorpion r4
5* blade awakend r4

So far thinking mangoog or modok for health pools and damage
Spidy is fun
Ironman seem better but R1 not yet amazing?
Thanks

captain_rogers

Og Ironman seems great. Give him a try