Here are the pictures that new characters were modeled after, so the new forms look like this, basically.

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Future Gohan SSJ4

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Vegito SSJ3

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Gogeta SSJ2

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Majin Vegeta (Post-Baby, with the remaining traces of the parasite reactivated)

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Frieza 5th Form

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Future Gohan SSJ3

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Goku SSJ God

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Krillin Kaioken

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Bardock SSJ