How many lives of shield iron I still love you

After the civil war, Tony and Steve were strangers, we were all crippled, and those who fled were still fleeing, exhausted.None of them won.All lost completely.Tony was very sad for this. He heard that mutants could go back to the past to change history, so he found Professor X and persuaded Professor X to help him go back to the past.But unexpectedly, something unexpected happened, he has been wandering in other parallel worlds and lost himself.Each story is not too long and ends within five chapters.Content tags: Superhero┃ Search keywords: Protagonist: Steve Rogers, Tony Stark┃ Supporting role: