The worlds are different here, think of it as an alternate timeline.
The worlds have power levels that everyone can see and this is common across the multiverse
The events, locations, characters, their abilities, past, personality and how they act and other elements may or may not be different than what they are in canon as this is an alternate timeline.
Some characters who might be weak originally may be stronger or their power levels might be changed and they may have new or different abilities.