Is it bad that I didn’t beat rol until I had a r4 5*?

I could’ve done it sooner and I’ve been using winter soldier for lvl 3 pots but I just never took the time until I got my thing to r4 and thought I could power through wolverines regen. Idk I just finished and I can’t stop thinking about how long I waited. Wolverine was the only hard fight one revive.
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Wolverine is a fun fight with HT.
Previously even under to thnktht I am already lvl 50 but still not uncollected
But now I m like, if I don't have skills, I will wait not an issue