3:35:29theybpicked up extra pim particles in the past
3:35:29they used their return fuel and got some back
3:35:29they got the extra particles from the base from og antman
3:35:29They stole the Pym particles in the past
3:35:29they used their return particles to go back to get more particles
3:35:30they went somewhere they can pick up more
3:35:30they made more pym particles after they revived og ant man
3:35:30they got more particles so they could return
3:35:31They went back to when the particles were first made and got extra
3:35:31They used their return home fuel
3:35:31they picked up extra pym particles
3:35:31they used their going forward items to go back
3:35:31they got pym particals from original ant mans lab
3:35:31They got more from Pym's lab, Cap got that batch whilst Tony got the tesseract
3:35:31They used the ones they had to return, to go to another time where they could get the stone and more Pym particles.
3:35:31they used their return trip to go back and get more trip tickets
3:35:31used their return trip fuel and got more particles
3:35:32they used their back particle
3:35:32they got more particles in 1970, thats what Cap did
3:35:32So Tony and Cap used their remaining charge, to go get more fuel, then get the tesseract at the same time
3:35:32they used it to go backwards, not back to the original time
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3:35:33Ant-Man's mentor makes the pym particles so they got some from that time
3:35:33They got Pym particles from that time
3:35:33They had enough for one round trip each, so they used their second one to get another Particle
3:35:33they got more fuel from the military base
3:35:33because they used their return trip magical dust to go further into the past and got some more to come back
3:35:33they got more particles from past ant man
3:35:33They stole more from that timeline
3:35:33They stole more fuel from the military base they went to
他
3:35:33because they lost the tesseract
3:35:33See this is where Ant Man was key
3:35:34they had to go back to the moment with infinity stone and stuff for time travel