Marvel Team-Up, Vol. 1 #74 (1978)

Live From New York, It's Saturday Night!
When John Belushi, of the Not-Ready-For-Prime-Time-Players mistakenly receives a ring from Japan, the Silver Samurai infiltrates the studios of Saturday Night Live to retrieve it. Luckily for the players, Peter Parker is in the audience. When his spider-sense warns him of the danger surrounding the audience, he rallies the players to fend off the Samurai's goons.
Release Date: 1978