User blog comment:PokemonmasterZ98/3 other team members/@comment-4572331-20120522014828/@comment-3118271-20120526151543

For the third time I haven't read the comics  I didn't know who Impulse was   til  2 weeks agp

Maybe Bart did come from the future  and assisted the team previously but then had to    return to his own time. Then in bloodlines reutrns to help