Incredible Hulk, The (1968 series) #283

The Avengers and the Hulk arrive to Omnivac (the Leader's space station), but the Leader is not there. Instead of him, there is a robot connected to the AI of the ship who calls himself Omnibus. Omnibus invites the Avengers and the Hulk to have dinner. While they are seated at the table, the robot tells them about the Leader's plan. The Leader pretends to irradiate pre-historic men with Gamma rays to improve nature. While he is talking, he plays a special piano that actives a time machine that sends the Avengers through time. Hulk and She-Hulk remain at the space station because of his Gamma condition and destroy Omnibus.