These are images of Lucina.
Artwork of Lucina in "Marth" disguise in Awakening.
Artwork of Lucina in "Marth" disguise from the box art.
Artwork of Lucina (Spring Festival) in Fire Emblem Heroes by Tomioka Jiro.
Artwork of Lucina (Brave Heroes) in Fire Emblem Heroes by Yusuke Kozaki.
Lucina as a Bride in Fire Emblem Warriors.
Artwork of Lucina from the 4koma Book.
Concept artwork of Lucina and Robin
Concept artwork of Lucina as a Bride in Awakening.
Artwork of Lucina with Chrom
from Yusuke Kozaki's twitter.
Lucina and Robin's newcomer art from Super Smash Bros. for Nintendo 3DS and Wii U.
Artwork of Lucina as "Marth" from Fire Emblem Cipher.
Figma figure by Good Smile.
Lucina as a Lord in Fire Emblem Cipher.
Lucina as a Great Lord in Fire Emblem Cipher.