Ultimate Spider-Man #119

Wolverine is in the pages of ULTIMATES 3 so why can't Magneto be here? One of Peter's friends at Midtown High had a secret: they're a mutant! But now the secret is out, and it's all that Spider-Man can do to keep the entire school from totally freaking out! And just to knock the situation into even more of a panic, here comes the most malevolent mutant of all: Magneto, Master of Magnetism!

Image: Ultimate Spider-Man #119 - Marvel Comics

Ultimate Spider-Man #119