(Mods, sorry if this is too long. Feel free to move it to a new thread if you want.)
So remember how the Legion shows up in the DC Universe Online MMO? I pointed this out a while back, maybe a year ago I think. Episode 39 was titled Long Live the Legion and was released Nov 2020. The Legion of this timeline/Earth is a hodgepodge of all published Legions, with aspects of the Bendisboot, Reboot, and classic Legion all tossed together.
Anyways, apparently there was a bit more content than I realized (text content, anyway) and I went digging a bit more and found these things. Please note that I have not played this game, and I found these on the wiki. I have provided links for all of these.
There are points of interest in the Legion's zones that you can interact with. These are apparently like item scavenger hunts, you find them scattered about the zones. They appear as exclamation marks.
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1 - Drinks Across the Centuries
https://dcuniverseonline.fandom.com/wiki/Collections:_Drinks_Across_the_Centuries
Alcoholic drinks are scattered about the 31st century zone that you can collect. Two of them are Legion references: Jo Nah's Silverale Youth and Mordru's Over-aged Vinegar. I guess Jonah got an endorsement deal for Silverale in this timeline? Or maybe he's such a famous alcoholic they named a drink after him. When you collect them all you even get a letter from Harmonia Li, who I guess is also a part of this Legion team.
From: Harmonia Li
Subject: Culture, Change, and Beverages
"Ron Vidar, Circadia Senius and I were studying the changes to culturally significant beverages throughout time when some of our samples got lost in all the magical chaos. We appreciate your recovery of this data set. We're experts when it comes to remembering things, so you can be sure of it when we say we won't be forgetting this anytime soon."
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2 - Legion of Substitute Heroes
https://dcuniverseonline.fandom.com/wiki/Collections:_Legion_of_Substitute_Heroes
I guess these are various belongings the Subs have misplaced for you to find. Most of them are silly references. It also looks like Polar Boy never graduated to the Legion in this setting.
Chlorophyll Kid's Seeds
Porcupine Pete's Quills
Color Kid's Color Palette
Stone Boy's Crusty Clothes
Fire Lad's Safety Tips
Night Girl's Training Regime
Rainbow Girl's Blackest Night
Double Header's Conflicting Plans
Polar Boy's Frosted Tips
Antennae Boy's Tunes
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3 - Greetings From Dakota City
https://dcuniverseonline.fandom.com/wiki/Collections:_Greetings_from_Dakota_City
Only one reference here: an item called "Gear & Static's Pic with The JL". Looks like Gear is a part of this Legion as well.
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4 - Mordru Unbound
https://dcuniverseonline.fandom.com/wiki/Mordru_Unbound_(Investigations)
If you complete the investigations (the wiki doesn't say what they are) in the Mordru boss zone you get a letter from Glorith. Based on the dialogue and tone its not Retroboot Glorith, but campy Five Years later Glorith. She also gives you a decorative item called Gem From the Heart of Sorcerer's World.
"Mordru tried to interfere with time, which is MY domain. I am the only one who has ever been his match, but now his power is too much even for me to combat. You will be instrumental to his defeat, and I will do whatever it takes to ensure it. Take this for now. I have a feeling your past will change soon enough. Kisses!"
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5 - Young Love
https://dcuniverseonline.fandom.com/wiki/Young_Love_(Investigations)
There are a few of these and they reveal more lore. Here are the three listed on the wiki:
Supergirl: "Sure, Brainy can be a butt sometimes, but his confidence is kinda cute. Don't tell him I said that!"
Lightning Lad: "Can't believe my sister is worried about bringing Shrinking Violet home to meet the moms; they'll love her!"
Quislet: "Quislet love everybody, 'specially you!"
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6 - Legion History.
https://dcuniverseonline.fandom.com/wiki/Legion_History_(Briefings)
Supergirl fans might enjoy these references and bits from Kara:
Supergirl: "I remember way back when the Legion first recruited me, what a rush! Just knowing that the future turns out okay, that we had an impact an this world... it means everything."
Supergirl: "Okay, so maybe digging up Excalibur, Achilles' Helmet, and Richard the Lion-Hearted's Shield was totally overkill, but I came from a century where girls always had to go the extra mile to even get considered. I've learned that the future is finally a place where I can relax and be myself."
Supergirl: "Definitely the best part of the Legion was getting to hang out with my cousin back when he was my age!"
And this gem:
Part 6: Gender-Eater Lad
Computo: "Friendly update on Tenzil's pronouns: he / him / Lad."
From: Rose Canton
Subject: Do NOT Interfere
"Many of these memories are from crucial points in the Legion and the Fatal Five's past, which is still your future. Now that you have some hows and whens, it may be tempting to interfere. But any change jeopardizes handing Mordru exactly the edge he needs to win, and I will not permit that scale of risk. I have lived long enough to appreciate that sometimes backward glances to the past need to stay just that."
So Bendisboot Rose/Thorn is also part of this Legion's future. Along with Five Years Later Glorith, Retroboot Harmonia Li, Silver Age Supergirl and Superboy, and Reboot Gear.