It would take a long, far from overton window, democratization of Europe for it to consider inviting Russia to join. A trade deal with Russia without membership is closer, including one that just restores 2021 relationship. Yet, extreme hatred is tied to political control among many existing rulers, and process requires their replacement.
With all the Trump accusations of “EU was formed to screw US”, it was actually a CIA project for united subjugation. https://www.reddit.com/r/internationalaffairs/comments/1jznn6h/trump_eu_was_formed_to_hurt_us_trade/
It would take a long, far from overton window, democratization of Europe for it to consider inviting Russia to join. A trade deal with Russia without membership is closer, including one that just restores 2021 relationship. Yet, extreme hatred is tied to political control among many existing rulers, and process requires their replacement.