4* tech rank up

TheSquish671TheSquish671 Posts: 2,867 ★★★★★
I need to rank up 2 of my techs to r3, and r4 in the future maybe. I have duped SL at 4/40 and vision AoU at 3/30, waiting to be r4ed. I have 2 t3 techs expiring soon. Other techs i have but do not feel are worth it: Vulture, WM and HB. Thanks for the help. Here are my options:

4* tech rank up 12 votes

Green Goblin & Yondu
91%
DarkZenDark89PhoenixMrLalowIcsGrecOzFearUsChampioncriticB_Dizzle_01Avetrex2AceHaywardFhfjghhggggjfhfjgIsThisLoss 11 votes
Green Goblin and punisher 2099
8%
sd__white 1 vote
Yondu and punisher 2099
0%
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