Loki #4 was published by Marvel Comics on May 1, 2011, as part of a series that began in 2010. Roberto Aguirre-Sacasa writes, and art comes from Al Barrionuevo, Alvaro Lopez and José Villarrubia. This 40-page issue features Thor, Loki, Odin, Sif and Frigga, among 8 characters cataloged on VerseDB.