Credit to @lightveils for this awesome fanfiction recommendation bingo! In the attached Twitter thread I will list each fic rec and the bingo square they're in response to.

"A fic you love without knowing the source material" Uh, do movie AUs count? I'm making movie AUs count. https://archiveofourown.org/works/8999029/chapters/20549662
Stucky, Captain America movies (The Family Man AU), Mature, no warnings as far as I know

"A fic with a premise that shouldn't work but does" This one is apparently based off a rather eclectic assortment of dialogue. The result is gut-splittingly hilarious and also a true period piece.
https://archiveofourown.org/works/12291939 
USUK, Hetalia, Teen, no warnings

"A fic you've reread several times" I've reread this one around three times. Steve throws a snowmobile at a helicopter. 'Nuff said.
https://archiveofourown.org/works/14715084 
Stucky, Captain America movies, Mature, warnings for graphic depictions of violence, torture, body horror, and wounds.

"A fic you still remember many years later" Hoo boy, there's a lot, but I still think about the ending of "And England Keep My Bones" (by dear RobinRocks) sometimes.
https://m.fanfiction.net/s/11911914/1/And-England-Keep-My-Bones
USUK, Hetalia, Teen, warnings for body horror and just horror in general

"A comfort fic" This one's really short and sweet and I sometimes read it when I need to cheer myself up. I think that's what this bingo square is asking for.
https://snowyfoxpaws.tumblr.com/post/120805386742/courting-the-queen-15
USUK, Hetalia, E, warnings for abo and some dubious consent related to alcohol and voyeurism

"A cathartic fic" I had a big old ugly cry after I finished this fic (and cried again after reading some of the sequel fics) and felt refreshed afterward, if that counts
https://archiveofourown.org/works/11456454 
USUK, Hetalia, E, warnings: trauma, childhood abuse, underage, violence

"A fic you'd print and put on your bookshelf" Besides a few other fics, definitely this one. This one is so well-written and researched that reading it feels like reading an American classic.
https://archiveofourown.org/works/11314224/chapters/25321950
Canon/OC, Stucky, MCU, warnings: period-typical attitudes

"A fic you associate with a song" I associate this fic with Vera Lynn's "White Cliffs of Dover". Read this multimedia fic while listening to the song for a good cry.
https://hewhoseeks.tumblr.com/tagged/he-who-seeks
USUK, Hetalia, E, warnings: period-typical attitudes, major character death

"A fic that inspires you" How much fanart have you drawn of this fic, you may ask? Yes.
https://m.fanfiction.net/s/7370631/1/Shatter
USUK, Spamano, Gerita, /others, Hetalia, E, warnings: mutual noncon, violence, body horror, period-typical attitudes, major character death

"A fic that brought you on board a new ship" This fic gave me *all* the feels I so craved from shipping. I was then totally sold on JeanMarco.
https://archiveofourown.org/works/1592573 
JeanMarco, Attack on Titan, M, warnings: referenced homophobia, offscreen death

"A fic you wish could be a movie" This fic is the epic finale that the MCU could've never dreamed of. I want this adapted into a blockbuster film STAT.
https://archiveofourown.org/works/3121055 
Stucky, MCU, E, warnings: major character death, suicide, body horror, violence, trauma

"A fic that led to you making friends with the author" I semi-anonymously reviewed so many of RR's fics back in 2016 that she asked me to make an FFNet account so that she could thank me for my reviews, and our friendship endures to this day. :)
https://m.fanfiction.net/s/9791616/1/The-Waning

okay, I'll continue this thread tomorrow after I conk out. Rest assured, I do have enough fic recs to fill out the rest of this bingo. Stay tuned