Tatiana Maslany was mentored by ‘Hulk’ actor Mark Ruffalo before her role in ‘She-Hulk: Attorney at Law’. In the new Disney+ show, the ‘Orphan Black’ star plays the lead role of Jessica Walters – Bruce Banner’s lawyer cousin who ends up sharing his transformative abilities after he gives her a blood transfusion – and she’s revealed Marvel veteran Mark was on hand to help her. She told SFX magazine: “There’s something about Mark that’s just so open. When you’ve worked in this industry for long enough, it can be, probably, quite easy to be closed and to distrust and not to play because you get k…