Rank up 5* Thing vs rank up 4* Cap IW

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Hi Guys,

I just pulled a 5* Thing.

I have option to rank Thing to rank 3 or max out 4* Cap IW

Which one is better? Why?

Thanks

Terra

A 5* r3 is equal to a 5/50 4*.
Thing needs (offensively anyway) full synergy team to be the monster he is.
CAIW is very good on his own but shines with specific team champions depending on what you need to do. CAIW is also easier to play than Thing is. My votes on CAIW