In Like a Lion
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Insist Upon Your Cup of Stars by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
07 Apr 2022
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Summary
Before Peter, the lab had been much messier.
Tony hadn't been prepared for how mentoring Peter was going to change himself and the world he lived in. Story is about Tony's lab as it changes throughout his life.
Series
- Part 1 of In Like a Lion
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These Days I’ll Sit on Cornerstones by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies), Captain America (Movies)
12 Jul 2024
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Summary
Tony was illprepared to find that the vigilante he'd recruited was a 14 year old boy. He was even less prepared for Peter Parker to be mute. But Peter hasn't spoken since his uncle died. And the more Tony works with the teen, the less it matters to him. He hears Peter just fine.
Series
- Part 2 of In Like a Lion
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Take It to the Limit by Finny3120
Fandoms: Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies), Marvel Cinematic Universe
12 Apr 2022
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Summary
As Peter gets older, Tony's beginning to think more and more about the legacy he's leaving his son. As his stressors are increasing, he's starting to think about changing his line of work. He just has this one more Jericho mission to complete and then he's waking away...
Fits into the Pretty Maids Universe as a one shot. Or can be read separately.
Series
- Part 3 of In Like a Lion
- Part 3 of Pretty Maids Universe
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Dear March- Come In- by Finny3120
Fandoms: Marvel Cinematic Universe, Spider-Man (Tom Holland Movies), Iron Man (Movies), The Avengers (Marvel Movies)
31 Dec 2025
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Summary
“His name’s Peter,” she said. “I kidnapped him tonight.”
There was a beat of silence.
“Aw, fuck.”
Peter Parker's been kidnapped... by Natasha Romanov. Enhanced, starved, and valued only as a weapon, Peter couldn't stay where he was. And with no better options, she brings him to Tony's lab to keep him safe.
Series
- Part 4 of In Like a Lion
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Until My Ships can Find the Seas by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), The Avengers (Marvel Movies), Spider-Man (Tom Holland Movies)
17 Apr 2022
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Summary
Tony runs away from home and for a while, he does fine. He has a job and friends. But then he has Peter- and it's a lot harder to be out on the streets with a baby in tow.
Series
- Part 5 of In Like a Lion
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Smoke Gets in Your Eyes by Finny3120
Fandoms: Marvel Cinematic Universe, Captain America (Movies), Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
09 Oct 2025
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Summary
Formerly a captain in the Marines, Steve Rogers has been caught in a downward spiral these past couple of years. After losing his job (and his girlfriend) to his former boss, he accepts the unusual temporary arrangement as nanny to Tony Stark’s two very young children. What’s meant to last weeks turns into months as Steve not only begins to love Peter and Morgan, but their widowed weapons manufacturing father as well. As Steve becomes an integral part of the Stark household, he begins to heal from his past trauma. And- the Starks need him too.
A Nanny/Marvel crossover that is no longer a oneshot…
Series
- Part 6 of In Like a Lion
- Part 2 of Smoke Gets in Your Eyes
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It's Hours Til Dawn by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies)
23 Apr 2022
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Summary
Peter's too embarassed to tell Mr. Stark why he's not feeling well, but Mr. Stark still knows what to do somehow.
Series
- Part 7 of In Like a Lion
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Wondering Where the Owls Are by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Captain America (Movies), The Avengers (Marvel Movies), Spider-Man (Tom Holland Movies)
24 Apr 2022
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Summary
When Peter mysteriously turns up on the grounds of the Avengers Compound three months after having been kidnapped, Tony's relieved. The only problem? Peter's a little confused on who he is. And who everyone else is.
Series
- Part 8 of In Like a Lion
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I Never Promised You a Rose Garden by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies)
26 Apr 2022
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Summary
Pete's home sick but when he calls Tony, he makes the billionaire think something much, much worse is happening. Which makes the billionaire rush over to save his favorite intern.
Series
- Part 9 of In Like a Lion
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The End of the Innocence by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
16 Apr 2025
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Summary
Tony's barely back from Afghanistan and decidedly not over his trauma yet when he decides to house the former assassin turned SHIELD spy who's been investigating him. Natasha is defensive, skittish, and mistrustful- and young. Tony wants to see the best in her, especially when his son is determined to make her their friend. And if Tony ends up loving her too? Well that's not the worst thing he could do...
Fits into the Pretty Maid Universe or can stand alone.
Series
- Part 10 of In Like a Lion
- Part 4 of Pretty Maids Universe
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God Only Knows What I'd Be Without You by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Captain America (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
29 Apr 2022
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Summary
“You want to bring what here?” Tony asked, spinning in his lab chair.
“A dog,” Steve said patiently. “Don’t act like you haven’t heard of dogs before, Tony. You’re supposed to be our smartest Avenger.”
In which Steve convinces Tony to adopt half the shelter and honestly, Peter's for it.
Series
- Part 11 of In Like a Lion
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Once Upon a Midnight Dreary by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies)
05 May 2022
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Summary
May is woken in the middle of the night by a strange rapping noise from the apartment below and enlists Tony to come protect them. There's a strong likelihood that the Parker apartment is actually haunted.
Series
- Part 12 of In Like a Lion
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God Knows this Heart of Mine Could Use a Rest by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
08 May 2022
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Summary
Peter knew two things. He was tired. He didn’t want to sleep.
May is potentially very sick and Peter doesn't know how to handle that. It's the waiting for test results that are driving him mad. She might be sick. She might not be sick. So he's not sleeping. And there's only so much patrolling he can do before it becomes dangerous.
Luckily, he's got a mentor willing to sit with him and his anxiety.
Series
- Part 13 of In Like a Lion
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Chock Full of Cigarette Butts by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
09 May 2022
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Summary
Concerned about Tony's daily caffeine intake, Peter decides to swap out his regular coffee for decaf. Tony's not pleased to say the least.
Series
- Part 14 of In Like a Lion
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St. Elmo's Fire by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), Captain America (Movies), The Avengers (Marvel Movies)
11 May 2022
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Summary
Tony and Steve are trying to make the best of a bad situation when a wizard turns them back into their teenage selves but their four year old isn't having it. Peter isn't sure that these two teenagers are his dads but once he's decided they're okay, he wants to be with them at all times. And that's not always convenient.
Series
- Part 15 of In Like a Lion
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Late for the Sky by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies)
13 May 2022
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Summary
Tony doesn't know why his intern has chosen this afternoon to come over, given that there is a major downpour going on, but he's grateful nevertheless. In which both Tony and Peter are a little lonely.
Series
- Part 16 of In Like a Lion
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And the Days Too Fast by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
15 May 2022
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Summary
While on a mission, Peter and Mr. Stark get split up. When Peter goes looking for his mentor, he finds Tony- the six year old version of his mentor. And things just get weirder from there.
Series
- Part 17 of In Like a Lion
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Lucy, I'm home by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies)
18 May 2022
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Summary
It had started like any other day. He’d gotten a job, ironically, at the Daily Bugle as a photographer, having pilfered Ben’s old camera from his and May’s apartment before the police had gotten there. Did it irk him, working for J. Jonah Jamison? Sure. But it paid the bills. And he needed that.
Until Pete comes home from work. And then nothing's as it should be.
Series
- Part 18 of In Like a Lion
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We Can Work It Out by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), The Avengers (Marvel Movies), Captain America - All Media Types, Black Widow (Movie 2021)
07 Jan 2026
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Summary
Unexpectedly pregnant and with no idea what to do, Natasha turns to the teammates she feels safest with to help her through. In the process, they become a closer family.
Series
- Part 19 of In Like a Lion
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Rapture on the Lonely Shore by Finny3120
Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Spider-Man (Tom Holland Movies)
25 May 2022
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Summary
Peter's not feeling like himself, but doesn't want to bother anyone. Luckily May and Tony are looking out for him.
Series
- Part 20 of In Like a Lion