does goku solo

Well, it depends on the fiction. In some universes where the power levels are relatively low compared to Goku's capabilities, he might be able to solo. But in many complex fictional settings with extremely powerful entities and various factors at play, it's highly unlikely that he can solo the whole fiction. For example, in some fictions with omnipotent or near - omnipotent beings, Goku's power would be no match.

It's not a straightforward yes or no. Goku's strength varies depending on his power-ups and the nature of the fictional setting. Against certain foes, he might be able to solo, but against others, it could be a much tougher challenge.

Yes. Goku is one of the most powerful characters in Dragon Ball. He has achieved various powerful forms like Super Saiyan God, Ultra Instinct, etc. With his constantly growing power, he is capable of taking on almost any threat within the Dragon Ball fiction. There are very few characters that could potentially rival him, and even then, he usually finds a way to overcome them.

Yes, Goku does have the ability to heal in the manga in certain situations.

Yes, Goku dies a few times throughout the manga.

Goku could escape by overpowering Broly. He might tap into his Super Saiyan forms, like going into Super Saiyan Blue or even Ultra Instinct if he's pushed far enough. His sheer power and fighting skills could allow him to break free from whatever restraints Broly has put on him.

No, Goku typically remains stronger than Vegeta in the manga. Their power levels keep fluctuating, but Goku often has the edge.

In the manga, Goku does fall into hell as part of a complex and adventurous storyline. This event leads to many interesting developments and challenges for him.

Yes, Goku manages to defeat Jiren in the manga after an intense battle and showing great determination and growth in his powers.

Yes, Goku does use Kaioken in the manga. It's one of his signature techniques to boost his power.