This is a copy of X-Men Vs. the Avengers #4 published by Marvel Comics in 1987.
"Day of Judgment!" Plot by Tom DeFalco and Jim Shooter. Script by Tom DeFalco. Art by Keith Pollard (breakdowns), Joe Rubinstein (finishes), Bob McLeod (inks), Al Milgrom (inks), and Al Williamson (inks). Cover by Keith Pollard and Joe Rubinstein. After causing a commotion in the streets of Singapore, Magneto turns himself over to the World Court to stand trial once again for his crimes against humanity! But as the trial progresses, the Master of Magnetism thinks it's a farce! And he is strongly tempted to use his Asteroid M technology to sway the chief justice! With the Avengers and the X-Men present in the courtroom, what will Magneto do? 32 pages.