No, he had a portion of TOAA's power, which was actually a part of the plan of TOAA to use Thanos to fix a interuniversal cosmic anomaly. Thanos could win, but pre-reton Beyonder wins most of the time while post-retcon gets horrifically stomped.
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Thanks for the sig Scot-and for the help with my avatar
When someone annoys you, it takes 42 muscles to frown but only 4 to reach out and bchslap them upside down on their head