Lady Sif
| Real Name: | Sif |
| Birth Year: | Unknown |
| First Appearance: | Thor |
| Team Affiliation(s): | The Warriors Three |
| Race: | Asgradian |
| From: | Asgard |
| Height: | 5'9" |
| Weight: | 125 lbs. |
Lady Sif is a fearsome Asgardian warrior and a good friend of Thor and the Warriors Three. When Thor almost provoked a war with the Frost Giants and ended up powerless on Earth, Sif and her friends disobeyed the orders of their new king Loki and went to Earth to save their friend. Thanks to them, Thor returned to Asgard and Loki's reign of terror ended.
Asgardian Physiology:
- Superhuman Strength, Durability, Agility, Stamina, and Speed
- Longevity
- Regenerative Healing Factor
Master Combatant
Sword Mastery
Multilingualism