Not sure if this fully fits, but it's the only one that came to mind: Habits by Sonora Summary: In an alternate universe where super-heroes don't exist, Tony Stark finds himself playing sugar daddy to all the Avengers. He collects them and brings them home and does anything he can for them and lets them go when they're ready to face the world again. Which is okay, he knows, because they always find their way back to him in the end. http://archiveofourown.org/works/448108
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Date: 2015-06-13 09:39 am (UTC)Habits by Sonora
Summary: In an alternate universe where super-heroes don't exist, Tony Stark finds himself playing sugar daddy to all the Avengers. He collects them and brings them home and does anything he can for them and lets them go when they're ready to face the world again. Which is okay, he knows, because they always find their way back to him in the end.
http://archiveofourown.org/works/448108