Malec Library

Okay! So I could only find a couple that really look at Alec growing up - that’s these:  

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Moments in Life That Make You Think  by Ranko twin

Magnus has lived for a long time. He has seen things in his 800 years that would make some men go insane. He has killed many and was in the Uprising. But his whole life changes when he meets a blue eyed child that helps him change his ways.

one-shot/complete/5k/fanfiction.net

Growing Up  by WiseBlondeWarrior

Every once in a while, Maryse Lightwood would call on the High Warlock of Brooklyn for business. Maryse is a beautiful woman with a charming husband and three kids. The problem is that Magnus Bane knows that children don’t stay young for long.

one-shot/complete/5k/fanfiction.net

The Secrets of the Past  by Moonfire14

Magnus doesn’t keep many secrets from Alec. He might not see it as relevant but he doesn’t normaally hide them on purpose but there is one thing he’s never told his young love. A secret of the past he holds close to his heart.

one-shot/complete/5k/AO3

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Then in these they meet when Alec’s a kid but Magnus doesn’t see him again until the party

Payment by Spun

“There were some experiences that just couldn’t be bought, and being shyly hit on by a drowsy nine-year-old was one of them.”

one-shot/complete/5k/fanfiction.net

And its sequel,

Indebted by Spun

When Magnus told him “In nine or ten years, come find me and then we’ll talk,” he probably hadn’t meant “Nearly get yourself killed by a Greater Demon so I have to heal you again.” Alec was better at this when he was nine.

one-shot/complete/10k/fanfiction.net

Five Year Old Innocence  by ChaseThisLightWithMe

Magnus has to look after a 5 year old Alec when Maryse is forced to stay under house arrest because of her involvement with the Circle.

one-shot/complete/5k/fanfiction.net

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And then, in these last three, they meet when Alec’s a kid but the fic doesn’t chart anything after that - i.e. no mention of anything in the series’ timeframe

Endearing  by Arcangelo

When five year old Alec get injured by a demon during a hunt where he was observing his father, Robert called Magnus Bane to heal him. When Magnus is there he gets asked an unexpected question by a drowsy and adorable Alec.

one-shot/complete/1k/AO3

Curious  by Seylin

What a curious child…

one-shot/complete/1k/fanfiction.net

Lethargy  by GideonGraystairs (TrxyesSivan)

Right before he drifted off, Alec realized he never caught the warlock’s name. He didn’t know why, but he was immensely overjoyed that the man had stayed even just a few minutes longer.

Alec = raised by a Maryse and Robert who remained under Valentine’s influence = he thinks he is removing threats, villains. One day he’s sent to kill Magnus

Alec didn’t plan on being  superhero, he’d never wanted to be one but when his sister started calling herself Stiletto and walking the streets at night as a whip-wielding vigilante. Well, of course he was gpoing to help ensure she didn’t get hurt. And that superhero friend of hers - the one with the sparks and the height and stuff - well, he seems nice.

Magnus had always looked like his father - people flinched when they saw him, walked quickly down the street when he turned the corner. He’d thought that helping people, saving them, could differentiate him from his father in the eyes of, well, everyone whose families he’d killed. Slaughtered. Butchered. One such person, not yet an orphan, but not with his whole family anymore, was Alec Lightwood. The Archer. Not that Magnus knew any of this, of course, all he knew was that there was a blue-eyed man at the gym every Tuesday evening that he could see across the hallway during his Salsa lessons.

Marvel Civil War!AU = Alec as Tony - wanting to do right by the system - and Magnus as Steve - all-too-aware of the shadier sides of the government (after Winter Soldier!Ragnor??) [and throw in Caterina as Captain Marvel as well, cause..]

ALEC AS GREEN ARROW