Complex sentence: Lady Deathstrike (Yuriko Oyama), occasionally spelled "Deathstryke", is a fictional Marvel Comics supervillain, a foe of the X-Men, especially Wolverine.
Split into simpler sentences: Lady Deathstrike (Yuriko Oyama), occasionally spelled "Deathstryke", is a fictional supervillain appearing in American comic books published by Marvel Comics. She is a foe of the X-Men, especially Wolverine.