Whoops. I only searched on "elf." Here are the ones for "elves."
Flight to Lothlórien After the fall of Gandalf, the Fellowship seek sanctuary in Lothlórien. Can they escape the chasing Moria Goblins, with the help of the Wood Elves? FOTR Rulebook Scenario 5 page 72
The Last Alliance Gil-galad and Elendil lead a force of 48 men and 48 Elves against 240 Orcs on the slope of Mount Doom. FOTR Rulebook Scenario 7 page 76
Shadows Creep 200 points of Elves and Men must hold off 300 points of evil warriors for 8 turns. GW The Last Alliance Booklet page 6
Darkness Descends 200 points of Wood Elves must escape a force of 350 points of evil warriors. GW The Last Alliance Booklet page 6
Orcs Attack 15 Orcs, 25 Goblins and 2 Orc Captains ambush Elrond, 10 elves and 9 Men of Gondor. GW The Last Alliance Booklet page 10
Sauron Unleashed! Gil-galad, Elrond, Elendil, Isildur, 36 Elves and 36 Men of Gondor face 40 Orcs and Sauron. GW LOTR FOTR Best of WD page 8
Deeping Wall Aragorn, Gimli, Legolas and Haldir leading 8 Lórien Elves and 8 Warriors of Rohan must defend the Deeping Wall against 40 Uruk-hai, 10 Berserkers, 3 Captains and an assortment of siege equipment. TTT Rulebook Scenario 5 page 102
Battle of Helm's Deep Got 10,000 Uruk-hai models? No? Well, special rules will allow 10,000 Uruk-hai attack the heroes with 300 Rohan Warriors and 60 Wood Elves. GW War of Saruman Booklet page 10
Surrounded Glorfindel, Elladan, Elrohir, Arwen and 33 Elves are surrounded by Orcs and must escape. Shadow and Flame page 42
A Rock and a Hard Place Moria Goblins must kill the Dwarf King Murin before the Wood Elves come to the rescue ROTK Rulebook War of the Ring Scenario 2 page 124
The Biter Bitten Damrod and his Rangers, planning to ambush a force of Orcs and Easterlings, find themselves fighting to escape US White Dwarf 294
Odovocar Bolger's Promenade Hobbits wander into the Old Forest; can Tom Bombadil save them from themselves? Scouring of the Shire pg. 60-61
The Glory of the Elves Elrond and his Elves rescue Elendil's Company from Orcs and Wargs US White Dwarf 310
Forward Into Darkness Erestor and his Elves must fight both the Forces of Darkness and Mirkwood itself US White Dwarf 317
Dol Guldur Awakens Elves against monsters in Mirkwood The Fall of the Necromancer
In The Nick of Time Wood Elves defend themselves from Khamul and orcs The Fall of the Necromancer
In the Shadow of Dol Guldur Elves struggle to reach Dol Guldur to support the attack on the Necromancer The Fall of the Necromancer
The Slopes of Mount Doom The Last Alliance of Men and Elves has brought Sauron to the final battle upon the slopes of Mount Doom, and there the Dark Lord prepares to make his stand Mordor Source Book
The Pass of Cirith Ungol A small force of Elves has dared to enter Mordor to confirm the White Council's worst fears – that Sauron has returned. Having seen the newly occupied Dark Tower of Barad-dur, the Elves now seek to return through the pass of Cirith Ungol. But the garrison of Orcs stands alerted, as does Cirith Ungol's most infamous denizen. Mordor Source Book
The Deeping Wall Saruman's legions hurl themselves against Helm's Deep. Never before has the last respite of the Rohirrim fallen. Never before has the devilry of Saruman been levelled against it. US White Dwarf 361